Object consists of slide rule, leather case, box, and manual. The slide rule and the case have the following inscribed: "GAS AIR CONDITIONING - THE QUIET AIR OF QUALITY" "SOUTHERN CALIFORNIA GAS COMPANY".
Date
1958 ca.
Manufacturer
Pickett
Place Manufactured
U.S.
Identifying Numbers
Model number
N200-T
Other number
P078
Donor's ID number for rule
Serial number
736664
Warranty card on inside cover of box.
Dimensions
in box: 1 1/2 in x 8 7/8 in x 3 in; overall: 1/4 in x 6 in x 1 5/8 in