Gas regulator cards for the use of gas regulators produced by the Wilgus Manufacturing Company, Los Angeles, circa 1931

Item Overview

Title

Gas regulator cards for the use of gas regulators produced by the Wilgus Manufacturing Company, Los Angeles, circa 1931

Photographer

Connell, Will, 1898-1961

Date Created

[circa 1931]

Date

1931

Collection

Connell (Will) Papers

Notes

Description

According to the Library of Congress Catalogue of Copyright Entries, these cards were published in 1931.
Enclosure and three cards for calculating the capacity of Wilgus gas regulators, produced by Natural Gas Equipment Inc.: (1) Enclosure: "Pioneers in gas pressure regulation." Catalog no. 101. Copyright Feb. 17, 1931; (2) "No. 1 rapid capacity calculator for Wilgus regulators." Directions. Card with revolving disc in envelope. Copyright Feb. 17, 1931; (3) "No. 2 rapid capacity calculator for Wilgus regulators." Directions. Card with revolving disc in envelope. Copyright Feb. 17, 1931; (4) "Rapid flow calculator for anubis differential pressure recorders..."

Caption

Text from negative sleeve: Wilgus Gas Gauge #96.

Physical Description

Extent

1 photographic negative

Medium

b&w negative

Keywords

Genre

technical manuals
acetate film
black-and-white photographs

Names

Wilgus Manufacturing Company

Resource type

still image

Subjects

Gas industry--California
Gas-governors