General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CARDBOARD

Dimensions

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

Length

19.8 cm

Width

9.0 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

NELSON

Country

United States of America

State/Province

New York

City

Woodmere

Context

Country

Canada

State/Province

Ontario

Period

C. 1971 +/ DONOR USED THESE SLIDE RULES BETWEEN 1974 & 1985.

Canada

AMERICAN MADE SLIDE RULES USED BY CANADIAN PROFESSIONAL ENGINEER IN HIS WORK IN RADIO COMMUNICATIONS. MR. ROSPLESCH WAS REGISTERED PROFESSIONAL ENGINEER IN ONTARIO & ELECTRICAL ENGINEER FOR GOVT OF CANADA IN WINNIPEG & OTTAWA WHERE HE USED THESE SLIDE RULES BETWEEN 1974-1985.

Function

DEVICE USED TO MANUALLY CONVERT IMPERIAL MEASUREMENTS IN TEMPERATURE, LENGTH, AREA, WEIGHT & VOLUME TO METRIC MEASUREMENTS, & VICE VERSA.

Technical

EXAMPLE OF SPECIALIZED SLIDE RULE. DONOR DESCRIBES THESE AS TOOLS OF TRADE FORELECTRONICS ENGINEERS DESIGNING RADIO COMMUNICATIONS LINKS IN YEARS BEFORE SOPHISTICATED COMPUTER PROGRAMS BECAME AVAILABLE. THEY COULD EASILY BE TRANSPORTED FOR USE IN FIELD WHEN RADIO COMMUNICATIONS SYSTEMS WERE BEING INSTALLED OR MAINTAINED.

Area Notes

Unknown

Details

Markings

HANDWRITTEN "M. ROSPLESCH" ON FRONT WITH BLACK PRINTED "TACO/ One Taco Street, Sherburne, N.Y.13460/ ANTENNAS AND/ COMPLETE SHEET METAL CAPABILITY/ 607-674-2211" & YELLOW "FAHRENHEIT-CELSIUS CONVERSION SCALE"/ RED LETTERING ON BACK READS "METRIC TO ENGLISH/ CONVERSIONS" & "LENGTH", "AREA", "WEIGHT", VOLUME"/ BLACK LETTERING ON SLIDE READS "(C) Nelson Taxel 1971, Woodmere, N.Y., 11598" WITH BLACK SCALES AND NUMBERS"

Missing

COMPLETE

Finish

YELLOW & RED EXTERIOR/ WHITE INTERIOR SLIDE

Decoration

MULTICOLOURED NUMERALS SCATTERED ON FRONT