Improvement in electro-magnetic annunciators for signals in hotels, &c.

Improvement in electro-magnetic annunciators for signals in hotels, &c.

Inventor Name

Charles Buckley

Files

Patent Date

1850-10-29

Patent Number

US 0007739 A

Location

Macon, Bibb County

Improvement in electro-magnetic annunciators for signals in hotels, &c.

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