Winding fine quartz threads into springs, used in General Electric research laboratory to indicate differences in weight as little as 1-28,000th of an ounce. Photo at top shows a finished spring. Center, process of spinning, and, below, an expert supervising grinding process.

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Item Information

Title:
Winding fine quartz threads into springs, used in General Electric research laboratory to indicate differences in weight as little as 1-28,000th of an ounce. Photo at top shows a finished spring. Center, process of spinning, and, below, an expert supervising grinding process.
Description:
[Information from item housing] Laboratories: Misc. Photos
Date:
[ca. March 1938]
Format:
Photographs
Genre:
Photographic prints
Location:
Boston Public Library
Arts Department
Collection (local):
Boston Herald-Traveler Photo Morgue
Subjects:
Laboratories
Extent:
1 photograph : print ; sheet 175 x 167 mm
Permalink:
https://ark.digitalcommonwealth.org/ark:/50959/8p58sq21b
Terms of Use:
Rights status not evaluated.
This work is licensed for use under a Creative Commons Attribution Non-Commercial No Derivatives License (CC BY-NC-ND).
CC BY-NC-ND icon
Language:
English
Notes:
Title(s) from item.
Preferred Citation:
Boston Herald-Traveler Photo Morgue, Boston Public Library
Notes (acquisition):
Gift; Boston University, College of Communication, 1977/1978.
Notes (date):
Date from item.
Identifier:
22_10_001392_0021
Barcode:
39999088103591