Experimental acoustic telephone

Location
Currently not on view
maker
Farmer, Moses G.
Measurements
resonator: 3 in x 9 1/4 in; 7.62 cm x 23.495 cm
tube: 12 in x 7 in x 2 in; 30.48 cm x 17.78 cm x 5.08 cm
ID Number
EM.181987
catalog number
181987
accession number
2015.0173
Credit Line
from Sarah J. Farmer
See more items in
Work and Industry: Electricity
Data Source
National Museum of American History