Slide rule
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2000.0028.001
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- OBJECT TYPE
- SPECIAL PURPOSE/ENGINEER
- DATE
- 1961
- ARTIFACT NUMBER
- 2000.0028.001
- MANUFACTURER
- PERRYGRAPH CORP.
- MODEL
- GIT-AA-002
- LOCATION
- Maywood, Illinois, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- CARDBOARD/ METAL GROMMETS
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 23.6 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
- PERRYGRAPH
- Country
- United States of America
- State/Province
- Illinois
- City
- Maywood
Context
- Country
- Canada
- State/Province
- Ontario
- Period
- C. 1961 +/ 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 COMPUTE PARAMETERS USED IN ANTENNA MEASUREMENTS, USED BY ENGINEER. - Technical
-
EXAMPLE OF SPECIALIZED SLIDE RULE. DONOR DESCRIBES THESE AS TOOLS OF TRADE FOR ELECTRONICSENGINEERS 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/ BLACK & WHITE LETTERING ON EACH SIDE READING "TACO/ PARABOLIC/ ANTENNA/ CALCULATOR"/ BLACK LETTERING ON BACK READS "Price $2.50 LM-5/66 Form No. GIT-AA-002" & "Slide Chart Copr. 1961, PERRYGRAF Corp., Maywood, Ill"/ ILLEGIBLE RED STAMP READS "REGISTERED PROFESSIONAL ENGINEER/ M.F.G. Rosplesch/ PROVINCE OF ONTARIO" ON BACK"/ RED LETTERING ON FRONT READS "GOVERNMENT & INDUSTRIAL DIVISION JERROLD ELECTRONICS CORPORATION PHILADELPHIA, PA 19105" & ON BACK "MICROWAVE ANTENNAS 2500 MHz ETV ANTENNAS ANTENNA SYSTEMS RIGID TRANSMISSION LINE"/ BLACK LETTERING, NUMBERS, SCALES ON FRONT, BACK, SLIDE
- Missing
- COMPLETE
- Finish
- WHITE & RED FRONT & BACK/ WHITE SLIDE WITH BLACK GRIPS
- Decoration
- B&W DEPICTION OF PARABOLIC ANTENNA ON FRONT
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
PERRYGRAPH CORP., Slide rule, after 1961, Artifact no. 2000.0028, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/2000.0028.001/
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