Skip to main content
Sight & Sound Antiques

Sight & Sound Antiques

765 followers

Invention & Technology

11 results found in all categories
1910 Hoyt Voltammeter * Penacook NH
2d 10h left
C $28.01
4 bids
1910 Edison Standard "D" Phonograph w/Cygnet Horn & 2/4 Min. Gearing * Excellent
1910 Edison Standard "D" Phonograph w/Cygnet Horn & 2/4 Min. Gearing * Excellent
Plays Great; Looks Great * Factory Combination Gearing
2d 10h left
C $1,003.13
15 bids
Outstanding 1920's Mikiphone Pocket Phonograph w/Needle Tin, Leather Case, More
2d 10h left
C $696.05
11 bids
Rare, Working 1926 Globe Duodyne 900 Battery Radio w/Cased RF Coils & Voltmeter
Rare, Working 1926 Globe Duodyne 900 Battery Radio w/Cased RF Coils & Voltmeter
Good AF Transformers; Good RF Coils; Good Tubes; Works
2d 10h left
C $201.31
5 bids
1897 Kromskop * Historic Stereoscope * 1st Commercial Application Of RGB Color
2d 10h left
C $276.37
5 bids
1922 Monroe McKillip Type A-7 Radio Amplifier * Chicago * Excellent & Working
1922 Monroe McKillip Type A-7 Radio Amplifier * Chicago * Excellent & Working
w/Good Original Jefferson Audio Transformers * Rare Amp
2d 10h left
C $49.13
8 bids
C. 1914 A.W. Bowman Spark Gap For Early Wireless Radio Transmitter * Boston
2d 10h left
C $49.13
7 bids
1
Items per page: 
Comments?
Cal Link