Cowan Macdonald

@sandradog38@mastodon.cloud

Name
Cowan Macdonald
First seen
2023-02-09T16:16:29.662227
Instance
mastodon.cloud
About

diigo.com/0pu81d

The P. R. Mallory Company of Burlington, Massachusetts, United States, relocated its headquarters to Indianapolis, Indiana, in 1924. The company produced mercury batteries for military equipment, trumping the carbon-zinc batteries used then in virtually all applicati