ohio-scientific

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Vintage Lot of 12 8" floppy diskettes possibly Ohio Scientific DSK01
Vintage Lot of 12 8" floppy diskettes possibly Ohio Scientific DSK01

$25.00

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Vintage Lot of 6 8" floppies backup of BIPAC Demo possibly Ohio Scientific DSK03
Vintage Lot of 6 8" floppies backup of BIPAC Demo possibly Ohio Scientific DSK03

$25.00

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OSI Ohio Scientific BASIC, 65D, Character, and 505 Manuals + Schematics
OSI Ohio Scientific BASIC, 65D, Character, and 505 Manuals + Schematics

$64.99

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Reproduction Ohio Scientific OSI 400 "Superboard" 6502 CPU Board SBC
Reproduction Ohio Scientific OSI 400 "Superboard" 6502 CPU Board SBC

$35.00

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1970s Micros PET/CBM Apple II Poly 88 SOL-20 MITS Altair IMSAI Ohio Scientific
1970s Micros PET/CBM Apple II Poly 88 SOL-20 MITS Altair IMSAI Ohio Scientific

$39.99

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1977 Ohio Scientific Hiram Ohio Model 500 Basic ROM Computers Vintage Print Ad
1977 Ohio Scientific Hiram Ohio Model 500 Basic ROM Computers Vintage Print Ad

$15.31

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Vintage Lot of 4 8" floppies possibly Ohio Scientific DSK04
Vintage Lot of 4 8" floppies possibly Ohio Scientific DSK04

$15.00

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Vintage Ohio Scientific C-3 utilities 8" floppy 09-1978 ST533B37
Vintage Ohio Scientific C-3 utilities 8" floppy 09-1978 ST533B37

$18.00

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Reproduction Ohio Scientific OSI 510C Triple CPU Board
Reproduction Ohio Scientific OSI 510C Triple CPU Board

$35.00

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1981 Ohio Scientific CHALLENGER Personal Computer photo print Ad Auroa, Ohio
1981 Ohio Scientific CHALLENGER Personal Computer photo print Ad Auroa, Ohio

$14.99

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Reproduction Ohio Scientific OSI 540B Color Video Board Interface Challenger
Reproduction Ohio Scientific OSI 540B Color Video Board Interface Challenger

$35.00

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Reproduction Ohio Scientific OSI 580 8-Slot Backplane
Reproduction Ohio Scientific OSI 580 8-Slot Backplane

$35.00

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Vintage Lot of 5 8" floppy diskettes BIPAC Demo possibly Ohio Scientific DSK02
Vintage Lot of 5 8" floppy diskettes BIPAC Demo possibly Ohio Scientific DSK02

$25.00

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1980 Vintage Ad Promo Art published in Popular Electronics Atari/Maxel/TDK Etc
1980 Vintage Ad Promo Art published in Popular Electronics Atari/Maxel/TDK Etc

$5.00

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Ohio Scientific Hiram OH Challenger System Computer Vintage Print Ad 1977
Ohio Scientific Hiram OH Challenger System Computer Vintage Print Ad 1977

$16.77

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6502 Video/Graphics Projects Apple II KIM-1 Synertek SYM-1 Commodore PET
6502 Video/Graphics Projects Apple II KIM-1 Synertek SYM-1 Commodore PET

$29.99

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Ohio Scientific Challenger 1P C1P SCG-943 Frustration Cassette c. 1978
Ohio Scientific Challenger 1P C1P SCG-943 Frustration Cassette c. 1978

$49.99

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Reproduction Ohio Scientific OSI 495 Prototyping Board
Reproduction Ohio Scientific OSI 495 Prototyping Board

$35.00

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Vintage Lot of 2 8" floppies CBS demo possibly Ohio Scientific
Vintage Lot of 2 8" floppies CBS demo possibly Ohio Scientific

$18.00

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Reproduction Ohio Scientific OSI 560Z Processor Lab Board
Reproduction Ohio Scientific OSI 560Z Processor Lab Board

$35.00

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Vintage Lot of 3 8" floppies possibly Ohio Scientific DSK14
Vintage Lot of 3 8" floppies possibly Ohio Scientific DSK14

$15.00

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Reproduction Ohio Scientific OSI 502 6502 CPU Board
Reproduction Ohio Scientific OSI 502 6502 CPU Board

$35.00

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Vintage Lot of 4 8" floppies Oasis Multiuser possibly Ohio Scientific DSK09
Vintage Lot of 4 8" floppies Oasis Multiuser possibly Ohio Scientific DSK09

$15.00

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Vintage Lot of 4 8" floppies possibly Ohio Scientific DSK06
Vintage Lot of 4 8" floppies possibly Ohio Scientific DSK06

$15.00

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Vintage Lot of 4 8" floppies possibly Ohio Scientific DSK08
Vintage Lot of 4 8" floppies possibly Ohio Scientific DSK08

$15.00

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Vintage Lot of 4 8" floppies OS-65U Ohio Scientific DSK11
Vintage Lot of 4 8" floppies OS-65U Ohio Scientific DSK11

$15.00

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Vintage Lot of 4 8" floppies possibly Ohio Scientific DSK07
Vintage Lot of 4 8" floppies possibly Ohio Scientific DSK07

$15.00

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Vintage Lot of 4 8" floppies possibly Ohio Scientific DSK05
Vintage Lot of 4 8" floppies possibly Ohio Scientific DSK05

$15.00

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1981 Ohio Scientific Challenger 1P computer Ad
1981 Ohio Scientific Challenger 1P computer Ad

$19.99

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1981 Ohio Scientific Challenger C3-B Computer Ad
1981 Ohio Scientific Challenger C3-B Computer Ad

$19.99

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1981 Ohio Scientific Challenger Personal Computer Ad
1981 Ohio Scientific Challenger Personal Computer Ad

$19.99

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Ohio Scientific Instruments Hiram OH Challenger Processor Vintage Print Ad 1977
Ohio Scientific Instruments Hiram OH Challenger Processor Vintage Print Ad 1977

$16.77

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Reproduction Ohio Scientific 582 4-Slot Backplane Board for Challenger C4P
Reproduction Ohio Scientific 582 4-Slot Backplane Board for Challenger C4P

$34.99

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Vintage Lot of 11 8" floppies including bad disks OS-65U Ohio Scientific DSK13
Vintage Lot of 11 8" floppies including bad disks OS-65U Ohio Scientific DSK13

$20.00

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1980 Ohio Scientific Challenger computer photo vintage print ad
1980 Ohio Scientific Challenger computer photo vintage print ad

$29.97

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1979 Ohio Scientific C3-C Computer vintage print Ad
1979 Ohio Scientific C3-C Computer vintage print Ad

$9.99

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Original Ohio Scientific OSI 520 Rev B Board 1977 No RAM
Original Ohio Scientific OSI 520 Rev B Board 1977 No RAM

$150.00

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1977 OSI Ohio Scientific Challenger computer system illustrated vintage print ad
1977 OSI Ohio Scientific Challenger computer system illustrated vintage print ad

$9.99

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1980 Ohio Scientific Challenger III C3 S1 B OEM Computers vintage print Ad
1980 Ohio Scientific Challenger III C3 S1 B OEM Computers vintage print Ad

$9.99

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Ohio Scientific OSI Sales Booklet, Your First Computer, Full Color
Ohio Scientific OSI Sales Booklet, Your First Computer, Full Color

$7.97

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Ohio Scientific Vintage T Shirt 1970's Technology Computer Company
Ohio Scientific Vintage T Shirt 1970's Technology Computer Company

$150.00

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Ohio Scientific Replica A-15 Bare PCB
Ohio Scientific Replica A-15 Bare PCB

$10.42

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1977 OSI Ohio Scientific Challenger Computer System vintage print Ad
1977 OSI Ohio Scientific Challenger Computer System vintage print Ad

$9.99

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Ohio Scientific OSI Advertising Handouts - I Should Have Bought Ohio Scientific
Ohio Scientific OSI Advertising Handouts - I Should Have Bought Ohio Scientific

$4.57

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Proceedings of Central Ohio Scientific Association of Urbana, Ohio
Proceedings of Central Ohio Scientific Association of Urbana, Ohio

$21.97

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Ohio Scientific 630 replica Blank PCB Rare and A-15 board combo
Ohio Scientific 630 replica Blank PCB Rare and A-15 board combo

$34.73

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Ohio Scientific OSI Challenger Line Catalog from Winter 1980 - 1982, Full Color
Ohio Scientific OSI Challenger Line Catalog from Winter 1980 - 1982, Full Color

$17.97

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Ohio Scientific OSI Sales Booklet, Your First Computer, Full Color, Acceptable
Ohio Scientific OSI Sales Booklet, Your First Computer, Full Color, Acceptable

$4.97

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1979 Ohio Scientific C3 S1 B & OEM Computers vintage print Ad
1979 Ohio Scientific C3 S1 B & OEM Computers vintage print Ad

$9.99

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Ohio Scientific, OSI / The C4P Challenger 4P Users Manual 1980
Ohio Scientific, OSI / The C4P Challenger 4P Users Manual 1980

$93.00

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1978 Ohio Scientific C3-OEM 6502A Computer vintage print Ad
1978 Ohio Scientific C3-OEM 6502A Computer vintage print Ad

$9.99

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ITHistory ADS (1983) GRID; SEIKO BUSINESS; OHIO SCIENTIFIC; MCDONNELL (WSJ) AS
ITHistory ADS (1983) GRID; SEIKO BUSINESS; OHIO SCIENTIFIC; MCDONNELL (WSJ) AS

$4.50

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1980 Ohio Scientific C1P Computer vintage print Ad
1980 Ohio Scientific C1P Computer vintage print Ad

$9.99

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1981 Ohio Scientific CHALLENGER Personal Computer photo vintage print Ad
1981 Ohio Scientific CHALLENGER Personal Computer photo vintage print Ad

$8.29

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⭐️⭐️⭐️⭐️⭐️ VHS Movie Video Tape Paws Ohio Scientific Education & Research
⭐️⭐️⭐️⭐️⭐️ VHS Movie Video Tape Paws Ohio Scientific Education & Research

$14.99

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Lot of (6) 1981 BYTE Small Systems Journal Magazines Jan-Jun Apple II TRS-80 HP
Lot of (6) 1981 BYTE Small Systems Journal Magazines Jan-Jun Apple II TRS-80 HP

$46.00

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1978 Ohio Scientific Challenger II C2-4P Mod 2 Computer vintage print Ad
1978 Ohio Scientific Challenger II C2-4P Mod 2 Computer vintage print Ad

$8.29

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Lot of (6) 1981 Kilobaud Microcomputing Magazines July-Dec PET Apple II TRS-80
Lot of (6) 1981 Kilobaud Microcomputing Magazines July-Dec PET Apple II TRS-80

$39.00

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Ohio Scientific C1P Series 2 User Manual softcover 1980
Ohio Scientific C1P Series 2 User Manual softcover 1980

$43.00

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1978 Ohio Scientific Computer C2-4P 8P C3-B Challenger I II III vintage print Ad
1978 Ohio Scientific Computer C2-4P 8P C3-B Challenger I II III vintage print Ad

$8.29

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Ohio Scientific OSI BASIC and the Personal Computer by Dwyer and Critchfield
Ohio Scientific OSI BASIC and the Personal Computer by Dwyer and Critchfield

$26.97

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C4P & 65V Primer OHIO SCIENTIFIC USERS MANUALS NEW COLLECTIBLE VINTAGE LOT OF 2
C4P & 65V Primer OHIO SCIENTIFIC USERS MANUALS NEW COLLECTIBLE VINTAGE LOT OF 2

$39.95

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Ohio Scientific 630 replica Blank PCB Rare
Ohio Scientific 630 replica Blank PCB Rare

$27.79

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ITHistory ADS (1980s/90s) - SYSTEMS (YOU PICK) Volume & Combined Shipping
ITHistory ADS (1980s/90s) - SYSTEMS (YOU PICK) Volume & Combined Shipping

$5.50

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El73 Ephemera 1977 advert ohio scientific
El73 Ephemera 1977 advert ohio scientific

$3.26

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Anonymous - Proceedings of Central Ohio Scientific Association of Urba - T555z
Anonymous - Proceedings of Central Ohio Scientific Association of Urba - T555z

$32.16

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OHIO SCIENTIFIC Computer Case Emblem - INFORMATION / SPECS
OHIO SCIENTIFIC Computer Case Emblem - INFORMATION / SPECS

$35.35

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