Apple-1 Parts

8T97B Tri-State Hex Buffer

team 1

Signetics

From a picture of a real pre-NTI Apple 1.
Vertical labeling, no extra “S” below part #.
Total on board: 2.

team 2

Signetics

From a picture of a real NTI Apple 1.
Vertical labeling, with and without extra “S".
Total on board: 2.

team 3

Signetics

Exact date code match of the part on a real pre-NTI Apple-1. On my Mimeo replica.

team 3

Signetics

Vertical labeling, no extra “S”, ’75 and ’76 date codes. Desoldered as well as unused.

2504V/1404A 1K-Bit Dynamic Shift Register

team 1

Signetics

From a picture of a real pre-NTI Apple 1.
Vertical labeling, gray plastic, block “S” logo.
7620 date code.
Total on board: 7.

team 2

Signetics

From a picture of a real NTI Apple 1.
Vertical labeling, block “S” logo.
Total on board: 7.

team 3

Signetics

Vertical labeling, gray plastic, block “S” logo.
Exact date code and labeling match of the part on a real pre-NTI Apple-1. Unused.

team 1

Signetics

Exact date code match of the part on a real NTI Apple-1. Red paint above date code removed.

team 2

Signetics

Vertical labeling, gray plastic, 7622 date code.

team 2

Signetics

Vertical labeling, gray plastic, ’71, ’72, ’73 date codes.

2513N/CM2140 Character Generator/ASCII Font

team 1

Signetics

From a picture of a real pre-NTI Apple 1.
Vertical labeling.
Total on board: 1.

team 2

Signetics

From a picture of a real NTI Apple 1.
Vertical labeling.
Total on board: 1.

team 3

Signetics

7619 date code. On my Mimeo replica.

team 1

Signetics

Exact date code match of the part on a real NTI Apple-1.

team 2

Signetics

Horizontal labeling. “2513N” not shown, only "CM2140N".
7819 date code.

2519B Hex 40-Bit Static Shift Register

team 1

Signetics

From a photo of a real pre-NTI Apple-1.
Vertical spread out labeling, gray plastic, tiny “S” logo. ’72 date code.
Total # on board: 1.

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical normal spaced labeling, gray plastic, stretched “S” logo.
Total # on board: 1.

team 3

Signetics

From another photo of a real NTI Apple-1.
Vertical normal spaced labeling, appears to be darker plastic(?), stretched “S” logo.

team 1

Signetics

7302 date code, vertical spread out labeling, gray plastic, block “S” logo. On my Mimeo replica.

team 2

Signetics

7349 date code, vertical normal spaced labeling, gray plastic, block “S” logo.

team 2

Signetics

7611 date code, vertical normal spaced labeling, gray plastic, stretched “S” logo.

6301-1J 256x4 PROMs

team 1

MMI

From a photo of a real pre-NTI Apple-1.
MMI graphic logo, “APPLE A1” and “APPLE A2” labels added. ‘75 date code.
Total # on board: 2.

team 2

MMI

From a photo of another real pre-NTI Apple-1.

team 3

MMI

From a photo of a real NTI Apple-1. MMI graphic logo, “APPLE A_1” and “APPLE A-2” labels added. 7620 date code.

team 1

MMI

From another photo of a real NTI Apple-1.

team 2

MMI

'81 date code, smaller MMI inverse graphic logo.

team 2

MMI

6301DD, white ceramic, MMI graphic logo, '74 date code. Can be coded and will function exactly like the 6301-1J.

team 1

Fairchild

93446-DC, white ceramic, 512x4. Can be coded and will function as an Apple-1 PROM. '75 date code.

team 2

MMI

Replicas: original surface lettering removed from ‘80s MMI 6301-1J and re-painted to resemble pre-NTI PROM labeling.

team 2

MMI

Replicas: original chip lids physically removed from ‘80s MMI 6301-1J and replaced with lids from older chips that had been found to be programmed in the past with unknown code.  These actually function correctly even with such a destructive change.

6502 CPU

team 1

MOS

From a photo of a real pre-NTI Apple-1.
MCS 6502, white ceramic, gray cap, rounded edges, 1476 date code.
Total # on board: 1.

team 2

MOS

From another photo of a real pre-NTI Apple-1. Gray cap, 1576 date code.

team 3

MOS

From a photo of a real NTI Apple-1.
3776 date code, MCS 6502, white ceramic but different appearance than earlier.

team 1

MOS

3875 date code, MCS 6502, gold plated cap, rounded edges. Has the ROR error. Currently running my Mimeo replica.

team 2

Synertek

6502, 7808 date code. Period-correct part for an early Apple ][.

team 2

Synertek

SY6502, 8303 date code.

6820 Parallel Interface Adapter (PIA)

team 1

AMI

From a photo of a real pre-NTI Apple-1.
S6820, gray plastic, “stacked letters" logo. 7601 date code.
Total # on board: 1.

team 2

AMI

From another photo of a real pre-NTI Apple-1.

team 3

AMI

From a photo of a real NTI Apple-1.
Same appearance as the pre-NTI version.

team 1

Motorola

From a photo of a real prototype Apple-1. Ceramic with gold lid.

team 2

AMI

7645 date code, gray plastic, in-line letters logo.

team 3

Motorola

XC6820, 7548 date code, ceramic with gray lid and gold-plated legs.

team 1

Motorola

XC6820, 7601 date code, ceramic with gold-plated lid and legs.

team 2

Synertek

6520, black plastic, 7729D date code.

7400 Quad 2-Input NAND Gate

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
9N00/7400 PCF.
7428 date code.
Total # on board: 3.

team 2

Signetics

From a photo of a real NTI Apple-1.
N7400A.
Vertical labeling, stretched “S” logo, no S below part number.
Total # on board: 3.

team 3

Fairchild

Desoldered.
Exact date code and labeling match of pre-NTI.

team 1

Fairchild

Unused.
Close date code to pre-NTI.

team 2

Fairchild

Unused.
9N00/7400 PCF in smaller lettering. ’74 date code.

team 3

Fairchild

7400 PC F. 7602 date code.

team 1

Signetics

N7400A.
Close date code to NTI.
Vertical lettering, no S below part number.

team 2

Signetics

Desoldered.
N7400A, vertical lettering with S below part number. ’75 date code.

team 2

Signetics

N7400A.
Gray plastic, old logo, vertical lettering, no S below part number. ’72 date code.

7402 Quad 2-Input NOR Gate

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
7402 PC F, black plastic.
7602 date code.
Total # on board: 1.

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number.
Total # on board: 1.

team 3

Fairchild

7402 PC F, black plastic. 7625 date code. On my Mimeo replica.

team 1

Fairchild

7402 PC F, black plastic. 7539 date code.

team 2

Fairchild

9N02/7402 PCF.
7529 date code.

team 3

Signetics

Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7604 date code.

team 1

Signetics

Vertical labeling, no added “S”, 7519 date code.

team 2

Signetics

Vertical labeling, additional S, 7535 date code.

team 2

Signetics

Vertical labeling, block “S” logo, no added S. 7418 date code.

7404 Hex Inverters

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
7404 PC F, black plastic.
7614 date code.
Total # on board: 1.

team 2

Fairchild

From a photo of another real pre-NTI Apple-1.

team 3

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7609 date code.

team 1

Signetics

From another photo of a real NTI Apple-1.
Vertical labeling, black plastic, block “S” logo, no added S.
7425 date code.

team 2

Fairchild

7404 PC F, black plastic. 7622 date code. On my Mimeo replica.

team 3

Fairchild

9N04/7404 PCF. 7342 date code.

team 1

Signetics

Vertical lettering, black plastic, stretched “S” logo, no added S. 7603 date code.

team 2

Signetics

Vertical labeling, black plastic, block “S” logo, added S below part number. 7436 date code.

team 2

Signetics

Vertical labeling, with and without added S, ’73 and ’75 date codes.

7408 Quad 2-Input AND Gate

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
7408 PC F, black plastic.
7541 date code.
Total # on board: 1.

team 2

Fairchild

From another photo of a real pre-NTI Apple-1. 7546 date code.

team 3

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7632 date code.

team 1

Fairchild

7408 PC F, black plastic, very close to matching date code (7544). On my Mimeo replica.

team 2

Fairchild

7408 PC F, ’75 and ’76 date codes.

team 3

Fairchild

9N08/7408 PCF. 7335 date code.

team 1

Fairchild

9N08/7408 PC F, small lettering, 7520 date code.

team 2

Signetics

Vertical labeling, black plastic, stretched “S” logo, no added S. 7634 date code.

team 2

Signetics

Vertical labeling, stretched “S” logo, added S. 7527 date code.

7410 Triple 3-Input NAND Gate

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
7410 PC F, black plastic.
7537 date code.
Total # on board: 2 (this chip is at location C6)

team 2

Fairchild

From another photo of a real pre-NTI Apple-1.
9N10/7410 PCF, black plastic, 7530 date code. This is also at location C6.

team 3

Fairchild

Location B2 of the same Apple-1 as the previous photo. Same part number and date code.

team 1

Signetics

From a photo of a real NTI Apple-1.  Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7628 date code. Location C6.

team 2

Signetics

From another photo of a real NTI Apple-1.  Vertical labeling, black plastic, block “S” logo, added S. 7343 date code. Location B2.

team 3

Fairchild

7410 PC F, black plastic, 7630 date code. On my Mimeo replica at C6.

team 1

Fairchild

7410 PC F. 7634 date code.

team 2

Fairchild

9N10/7410 PCF, 7512 date code. On my Mimeo replica at B2.

team 3

Fairchild

9N10/7410 PCF, black plastic, 7347 date code.

team 1

Fairchild

9N10/7410 PCF, black plastic, 7528 date code, close to a date code match.

team 2

Signetics

Vertical labeling, black plastic, stretched “S” logo, no added S. 7629 date code, very close to a match.

team 2

Signetics

Vertical labeling, stretched “S” logo, added S. 7536 date code.

7427 Triple 3-Input NOR Gate

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
9N27/7427 PCF, black plastic. 7403 date code.
Total # on board: 1.

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7610 date code.
Total # on board: 1.

team 3

Fairchild

9N27/7427 PCF, black plastic, 7402 date code. Almost exact date code and labeling match to real Apple-1.

team 1

Signetics

Vertical labeling, black plastic, with and without added S. ’75 and ’76 date codes.

team 2

Signetics

Vertical labeling, gray plastic, N8875A (7427), added S. 7344 date code.

7432 Quad 2-Input OR Gate

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
7432 PC F, black plastic.
7551 date code.
Total # on board: 1.

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7618 date code.
Total # on board: 1.

team 3

Fairchild

7432 PC F, black plastic. 7551 date code. Exact date code and labeling match to the real Apple-1.

team 1

Fairchild

9N32/7432 PC F, gray plastic. 7314 date code.

team 2

Signetics

Vertical labeling, gray plastic, block “S” logo, added S. 7408 date code.

team 2

Signetics

Vertical labeling, black plastic, stretched “S” logo, no added S. 7542 date code. Extra lettering can be removed as shown.

7451 Dual AND-OR-INVERT Gate

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
7451 PC F, black plastic.
7537 date code.
Total # on board: 1.

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, block “S” logo, additional S below part number.
Total # on board: 1.

team 3

Fairchild

7451 PC F, black plastic, 7623 date code. On my Mimeo replica.

team 1

Fairchild

9N51/7451 PCF, black plastic. 7349 date code.

team 2

Signetics

Vertical labeling, black plastic, block “S” logo, no added S. 7645 date code.

team 2

Signetics

Vertical labeling, black plastic, block “S” logo, no added S. 7342 date code, almost exact date code match to the real Apple-1.

9316/74161 Synchronous 4-Bit Binary Counter

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
9316 PC F, black plastic.
7611 date code.
Total # on board: 5. Locations D7 and D8 shown. Three more are at D9, D11 and D15.

team 2

Fairchild

From another photo of a real pre-NTI Apple-1.

team 3

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7634 date code.
Total # on board: 5. Location D7 shown.

team 1

Fairchild

9316 PC F, black plastic. 7611 date code. Exact date code and labeling match to the real Apple-1.

team 2

Fairchild

9316 DC F, dark gray ceramic. 7344 date code.

team 2

Signetics

Vertical labeling, black plastic, block “S” logo, no added S. 7427 date code.

74123 Dual Monostable Multivibrator

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
9N123/74123 PCF, black plastic, small lettering.
7526 date code.
Total # on board: 1.

team 2

Fairchild

From another photo of a real pre-NTI Apple-1.
74123 PC F, black plastic. 7538 date code.

team 3

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7627 date code.

team 1

Fairchild

9N123/74123 PCF, black plastic, small lettering. 7512 date code. Close date code and exact labeling match to the real Apple-1.

team 2

Signetics

Vertical labeling, black plastic, “CY323” added below part number, no added S. 7647 date code.

team 2

Signetics

Vertical labeling, gray plastic, old “S” in box logo, no added S. ’72 date code.

74154 4-To-16 Line Decoder/Demultiplexer

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
74154 PC F, black plastic.
7604 date code.
Total # on board: 1.

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7529 date code.
Total # on board: 1.

team 3

Texas Instruments

From a photo of a real prototype Apple-1.
SN74154N, black plastic, 7410 date code.

team 1

Fairchild

74154 PC F, black plastic. 7632 date code. Close date code and exact labeling match to the real Apple-1. On my Mimeo replica.

team 2

Signetics

Vertical labeling, black plastic, stretched “S” logo, added S. 7605 date code.

team 2

Texas Instruments

SN74154N, black plastic, 7632 date code.

74157 Quad 2-Input Multiplexer

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
74157 PC F, black plastic.
7547 date code.
Total # on board: 2. Location C14 shown.

team 2

Fairchild

Location C4 on the same pre-NTI Apple-1 as the previous photo.

team 3

Fairchild

From another photo of a real pre-NTI Apple-1.
74157 PC F, black plastic. 7542 date code.

team 1

Signetics

From a photo of a real NTI Apple-1, showing location C14.
N74LS157B. Vertical labeling, black plastic, stretched “S” logo, no added S. 7638 date code.

team 2

Fairchild

Location C4 on the same NTI Apple-1 as the previous photo.
9LS/74LS157 F PC. Stretched, bold “F” logo. 7541 date code.

team 3

Fairchild

74157 PC F, black plastic. 7542 date code. Exact date code and labeling match to the real Apple-1.

team 1

Fairchild

74157 PC F, black plastic. 7543 date code. Very close date code and exact labeling match to the real Apple-1.

team 2

Signetics

Vertical labeling, black plastic, with and without added S. ’74, ’75, ’76 date codes.

74160 4-Bit Synchronous Decade Counter

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
74160 PC F, black plastic.
7544 date code.
Total # on board: 1.

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7628 date code.
Total # on board: 1.

team 3

Fairchild

74160 PC F, black plastic. 7552 date code. Close date code and labeling match to the real Apple-1. On my Mimeo replica.

team 1

Fairchild

F 74160PC, black plastic. 7651 date code.

team 2

Signetics

Vertical labeling, black plastic, stretched “S” logo, no added S. 7639 date code. Extra white lettering can be removed.

74166 8-Bit Shift Register

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
74166 PC F, black plastic.
7614 date code.
Total # on board: 1.

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7610 date code.
Total # on board: 1.

team 3

Fairchild

74166 PC F, black plastic. 7614 date code. Exact date code and labeling match to the real Apple-1. On my Mimeo replica.

team 1

Fairchild

74166 PC F, black plastic. 7632 date code. Close date code and exact labeling match to the real Apple-1.

team 2

Signetics

Vertical labeling, black plastic, stretched “S” logo, no added S. ’74 and ’75 date codes.

74174 Hex D-Type Flip Flop

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
74174 PC F, black plastic.
7612 date code.
Total # on board: 1.

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number.
Total # on board: 1.

team 3

Fairchild

74174 PC F, black plastic. 7610 date code. Very close date code and exact labeling match to the real Apple-1.

team 1

Fairchild

74174 PC F, black plastic. 7631 date code. Close date code and exact labeling match to the real Apple-1.

team 2

Fairchild

93174/74174 PCF, black plastic, small lettering. 7413 date code.

team 2

Signetics

Vertical labeling, black plastic, no added S. ’73, ’74, ’76 date codes.

74175 Quad D-Type Flip Flop

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
74175 PC F, black plastic.
7602 date code.
Total # on board: 1.

team 2

Fairchild

From another photo of a real pre-NTI Apple-1. Same labeling and date code as the previous photo.

team 3

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, additional S below part number. 7626 date code.
Total # on board: 1.

team 1

Fairchild

74175 PC F, black plastic, stylized “F” logo. 7617 date code. On my Mimeo replica.

team 2

Fairchild

93175/74175 PCF, black plastic, small lettering. 7405 date code.

team 2

Signetics

Vertical labeling, black plastic, stretched “S” logo, no added S below part number. 7633 date code.

74S257 Quad 2-Input Multiplexer

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
F 74S257 DC, gray ceramic.
7613 date code (also seen with 7617 date code).
Total # on board: 4 (locations B5 - B8).

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, stretched “S” logo, no added S below part number.
Total # on board: 4.

team 3

Fairchild

F 74S257 DC, gray ceramic. 7613 date code. Exact date code and labeling match to the real Apple-1. On my Mimeo currently.

team 1

Signetics

Vertical labeling, black plastic, block “S” logo, additional S below part number. 7650 date code.

team 2

Signetics

Horizontal labeling, black plastic. 8112 date code.

team 2

Texas Instruments

SN74S257N, black plastic. ’76 date codes.

4K x 1-Bit Dynamic RAM

team 1

MOSTEK

From a photo of a real NTI Apple-1.
MK4096N-11, black plastic.
7634 date code.
Total # on board: 16.

team 2

MOSTEK

MK4096P-11, purple ceramic with gold-plated legs and cap. 7626 date code. On my Mimeo replica.

team 3

MOSTEK

MK4096P-6, purple ceramic with gold-plated legs and cap. 7617 date code.

team 1

MOSTEK

MK4096P7, purple ceramic with gold-plated legs and cap. ’75 date codes.

team 2

MOSTEK

MK4027P-3, purple ceramic with gold-plated legs and cap. ’76 date codes.

555 Timer

team 1

Fairchild

From a photo of a real pre-NTI Apple-1.
NE555V F, black plastic.
7538 date code.
Total # on board: 1.

team 2

Signetics

From a photo of a real NTI Apple-1.
Vertical labeling, black plastic, block “S” logo. 7609 date code.
Total # on board: 1.

team 3

Fairchild

NE555V F, black plastic. 7539 date code. Very close date code and exact labeling match to the real Apple-1.

team 1

Fairchild

Labeling amost worn off, but appears to be an NE555V F in black plastic.

team 2

Fairchild

UA555TC F, black plastic. 7623 date code.

team 2

Signetics

Vertical labeling, black plastic, block “S” logo. 7547 date code. Close date code and exact labeling match to the real Apple-1.

DS/MH0025 2-Phase MOS Clock Driver

team 1

National Semi

From a photo of a real pre-NTI Apple-1.
DS/MH0025CN, black plastic, old “NS” logo.
451 date code.
Total # on board: 1.

team 2

National Semi

From a photo of a real NTI Apple-1.
DS0025CN, black plastic, old “NS” logo. 638 date code.
Total # on board: 1.

team 3

National Semi

DS/MH0025CN, black plastic, old “NS” logo. 501 date code. Close date code and exact labeling match to the real Apple-1.

team 1

National Semi

DS/MH0025CN, semi-glossy black plastic, old “NS” logo. 501 date code.

team 2

National Semi

DS0025CN, black plastic, old “NS” logo. 638 date code. Exact date code and labeling match to the real Apple-1.

team 2

National Semi

DS0025CN, black plastic, old “NS” logo. 608 date code.

ACI LM311 Voltage Comparator

team 1

National Semi

From a photo of a real NTI Apple-1 ACI card.
Old NS logo, ‘441 date code
Total # on board: 1.

team 2

Intersil

From a photo of another real NTI Apple-1 ACI card.
7620 date code.
Total # on board: 1.

team 3

Motorola

MLM311P1. From a photo of a real SCC Apple-1 ACI card.
Total # on board: 1.

team 1

National Semi

Old NS logo, ‘434 date code. Going on my replica.

team 2

Motorola

MLM311P1. 7834 date code.

ACI 74LS02 Quad 2-Input NOR Gate

team 1

Signetics

From a photo of a real NTI Apple-1 ACI card.
N74LS02A, vertical labeling, black plastic, no “S” below part number. 7641 date code.
Total # on board: 1.

team 2

National Semi

From a photo of a real SCC Apple-1 ACI card.
DM74LS02N, old NS logo, ‘618 date code.
Total # on board: 1.

team 3

Signetics

Almost exact match with NTI card, except date code is 7621.

team 1

Fairchild

9LS/74LS02, ’75 and ’76 date codes.

ACI 74LS10 Triple 3-Input NAND Gate

team 1

Signetics

From a photo of a real NTI Apple-1 ACI card.
N74LS10A, vertical labeling, black plastic, no “S” below part number. 7629 date code.
Total # on board: 1.

team 1

National Semi

From a photo of a real SCC Apple-1 ACI card.
DM74SL10N, old NS logo, ‘618 date code
Total # on board: 1.

team 1

National Semi

Old NS logo, ‘525 date code.

team 1

Signetics

N74LS10A, vertical labeling, no “S”.  7618 date code.

team 1

Signetics

N74LS10A, vertical labeling, with “S”.  7633 date code.

ACI 74LS74 Dual D-Type Flip Flop

team 1

Fairchild

From a photo of a real NTI Apple-1 ACI card.
9LS74/74LS74PC. 7633 date code.
Total # on board: 1.

team 1

National Semi

From a photo of a real SCC Apple-1 ACI card.
DM74LS74N, old NS logo, ‘550 date code.
Total # on board: 1.

team 1

Fairchild

9LS74PC, 7519 date code. Stretched “F”.