General Information

Serial #

N/A

Part Number

1

Total Parts

1

AKA

N/A

Patents

N/A

General Description

CARDBOARD WITH METAL GROMMETS

Dimensions

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

Length

23.0 cm

Width

15.1 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

Andrew

Country

United States of America

State/Province

Illinois

City

Orland Park

Context

Country

Canada

State/Province

Ontario

Period

C. 1972 +/ DONOR USED THESE SLIDE RULES BETWEEN 1974 & 1985.

Canada

AMERICAN MADE SLIDE RULES USED BY CANADIANPROFESSIONAL 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 CALCULATE PARABOLIC ANTENNA BEAM CHARACTERISTICS, PERFORMANCE OF PASSIVE REPEATERS, FREE-SPACE PROPAGATION ATTENUATION, & THERMAL NOISE & EQUIVALENT NOISE INPUT OF RECEIVERS.

Technical

EXAMPLE OF SPECIALIZED SLIDE RULE. DONOR DESCRIBES THESE AS TOOLS OF TRADE FOR ELECTRONICS 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

GREY LETTERING ON FRONT READS "MICROWAVE ANTENNA SYSTEM COMPUTER", "ANDREW", "ANTENNAS ANTENNA EQUIPMENT TRANSMISSION LINES" WITH BLACK "(C) Copyright 1972 ANDREW CORPORATION"/ GREY LETTERING ON BACK READS "COAXIAL TRANSMISSION LINE SELECTOR", "ANTENNAS ANTENNA EQUIPMENT TRANSMISSION LINES" & "ANDREW" WITH LIST OF ADDRESSES IN EACH OF U.S.A., CANADA. EUROPE, AUSTRALIA/ BLACK LETTERING, NUMBERS & SCALES ON BOTH SIDES & SLIDE

Missing

COMPLETE

Finish

WHITE WITH BLACK GRIPS ON SLIDE

Decoration

RED STYLIZED LIGHTING DESIGNS ON BOTH SIDES