Hemingray 42
Basic
Region: North AmericaInsulator
Type: Telegraph/TelephoneMaterial: Glass
Style code: CD-154
Maximum Power: Unknown
Manufacturer: Hemingray Glass Company
Production Start: 1921
Production End: Late 1950s
Rarity: Extremely Common
Specific Object
Date Made: 1955Specific Object Condition: Excellent
A Hemingray 42 is a pin type insulator that was used on the telegraph system. The 42 was the successor to the popular Hemingray 40.
There are two additional Hemingray 42s in my collection to showcase dating insulators. See it here, and here.