Edwards Adaptabel alarm or school signal bell machine-age industrial

Old 1950s industrial electric alarm or signal bell made by the Edwards Company. It is 4" across the bell and runs on 120 AC electricity (regular home power) and has a long cord with a plug on the end.

We've been It is marked with a US Patent number from 1952. It works.

sale price: $72.75
Item No. k624527