General Information

Serial #

255146

Part Number

1

Total Parts

4

AKA

N/A

Patents

N/A

General Description

SYNTHETIC CASINGS, CONTROLS, & KEYS, PLOTTER TABLE, SCREEN, PARTS/ METAL PARTS

Dimensions

Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.

Length

46.0 cm

Width

37.0 cm

Height

12.3 cm

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Computing Technology

Category

Digital peripheral devices

Sub-Category

N/A

Manufacturer

AKA

3M

Country

United States of America

State/Province

Minnesota

City

St. Paul

Context

Country

Canada

State/Province

Ontario

Period

PRIMARILY 1987 TO 1989; LIMITED USE THEREAFTER INTO 1990S.

Canada

AMERICAN-JAPANESE MADE PLOTTER USED IN CANADA IN SMALL BUSINESS SITUATION. DONOR PURCHASED PLOTTER AS DEMO MODEL FOR ABOUT $2000 IN 1987. HE USED IT AS CONSULTANT/PRODUCER PRIMARILY TO MAKE TRANSPARENCIES FOR HOSPITALS & MEDICAL DOCTORS & RESEARCHERS. HE RETIRED IN 1989 & NOW USES PC TO CREATE GRAPHICS.

Function

OUTPUT DEVICE USED TO GRAPHICALLY REPRESENT COMPUTER DATA, IN THIS EXAMPLE PRIMARILY TO PRODUCE GRAPHICS ON TRANSPARENCIES FOR OVERHEAD PROJECTIONS. BUILT-IN KEYBOARD & SOFTWARE ALLOWED PRODUCTION OF STANDARD GRAPHICS FOR PRESENTATION IN LECTURES, E.G. PIE CHARTS, BAR GRAPHS ETC. THREE COLOURS & BLACK COULD BE USED.

Technical

3M 500 SEEMS TO HAVE BEEN PUT ON MARKET IN 1984 & IS SIMILAR TO TEKTRONIX 4600 PLOTTER POPULAR WITH SCIENTISTS & ENGINEERS. TEKTRONIX & CALCOMP (BOTH IN U.S.) WERE LEADERS IN POTTER DESIGN. PLUG-IN MODULE WAS SIMPLE & INEXPENSIVE "LOW-TECH" WAY OF ADDING FLEXIBILITY TO MACHINE. UNLIKE CALCOMP & TEKTRONIX PLOTTERS, 3M HAD ATTACHED KEYBOARD ALLOWING IT TO STAND ALONE & TO BE PORTABLE.

Area Notes

Unknown

Details

Markings

.1 PLATES ON UNDERSIDE READ "MODEL 7500-AAA/ 115 V 50/60 Hz 55 W 0.6 A/ Audio Visual Division/3M / St. Paul, Minnesota 55144 Made in Japan A2" & "255146/ 7500 SERIAL NO."/ LABEL ON FRONT READS "3M 7500"/ LABEL ON FRONT READS "1-SIMPLEX 2-DUPLEX3-COMPLEX 4-TRIPLEX"/.3 LABEL READS "Organization Chart/ Optional Cartridge/ for the 3M 7500/Electronic Transparency Maker/ 78-8044-6978-7/ Audio Visual Division/3M/ St. Paul, MN 55144-1000 Made in U.S.A. 3M"; paper label on side reads "SERIAL NO. 264492"

Missing

PENS

Finish

.1 TEXTURED LIGHT BROWN PLOTTER CASING WITH DARK BROWN PARTS, WHITE PLOTTER TABLE, BRUSHED METAL BAR WITH BLACK ENAMEL PAINTED STRIP, LIGHT BROWN CARRYING STRAP/.2 BLACK CORD/.3 TEXTURED BLACK CASING WITH METALLIC SCREWS

Decoration

N/A