Object consists of tube tester and compactron adapter. Attached to outside of case is white tag from Allegheny Airlines and address for Ryan S. Saper. On outside of case is white sticker with name and address of Trojan Pools. Attached to handle of case is white tag with name and address of Ryan Saper.
Date
1970
Manufacturer
The Hickok Electrical Instrument Company
Place Manufactured
Cleveland, Ohio, U.S.
Identifying Numbers
Model number
539B Tube Tester
Model number
CA-4 Compactron Adapter
Other number
0150-135
0150-135 style number on inspection check tag of Compact
Other number
0400
0400 in upper right of inspection check tag of Compactron Adapter
Other number
5623-2
5623-2 assembly number on inspection check tag of Compactron Adapter
Other number
CA4
CA4 in upper left of inspection check tag of Compactron Adapter
