General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

STEEL & ALUMINUM CALCULATOR WITH SYNTHETIC HANDLE & PARTS/ SYNTHETIC CASE

Dimensions

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

Length

13.6 cm

Width

10.2 cm

Height

N/A

Thickness

N/A

Weight

N/A

Diameter

N/A

Volume

N/A

Lexicon

Group

Mathematics

Category

Calculating devices

Sub-Category

N/A

Manufacturer

AKA

Addimult

Country

Federal Republic of Germany

State/Province

Unknown

City

Unknown

Context

Country

Unknown

State/Province

Unknown

Period

Unknown

Canada

DEVICE USED IN CANADA & ELSEWHERE TO PROVIDE QUICK METHOD FOR ARITHMETIC CALCULATIONS. DONOR PURCHASED IT IN 1998 FROM FLEA MARKET BECAUSE HE HAD 4 OR 5 DIGIT VERSION AS IN RULER AS STUDENT.

Function

MECHANICAL CALCULATING DEVICE USED PRIMARILY FOR ADDITION & SUBTRACTION OF NUMBERS UP TO 9 DIGITS, BY MANIULATING SLIDERS WITH SMALL POINTER. MULTIPLICATION & DIVISION COULD ALOS BE ACHIEVED BY MULTIPLE OPERATIONS OF CALULATOR.

Technical

ONE OF SIMPLEST DEVICES FOR MATHEMATICAL CALCULATIONS, NOT TO0 DIFFERENT IN COMPLEXITY TO ABACUS. IT APPEARS TO HAVE BEEN POPULAR FOR RELATIVELY SHORT PERIOD SINCE IT WAS USEFUL FOR ONLY SIMPLE CLASSIFICATIONS.

Area Notes

Unknown

Details

Markings

INCISED BLACK "ADDIMULT" WITH RAISED METALLIC "SUMAX-E" & ADDITION ON ONE SIDE; RAISED METALLIC "SUMAX-E" & "SUBTRACTION" ON OTHER SIDE/ INDENTED "ADDIMULT" ON CASE

Missing

POINTER

Finish

METALLIC & BLACK FINISH/ RED SLIDERSON ONE SIDE, METALLIC ON OTHER/ BLACK HANDLE/ TEXTURED GREEN CASE

Decoration

INDENTED METALLIC & BLACK CROSS-HATCHING ON EITHER SIDE