Sound Amplifier
Equipment
Sound Amplifier
ca. 1927
Metal, wood, leather, glass and plastic
Overall: 17 × 18 × 7 1/2 in., 47.4 lb. (43.2 × 45.7 × 19.1 cm, 21.5 kg)
Museum accession
1978.1678.0003
DescriptionCrackled-black, leather covered, rectangular sound amplifier with phonograph input, volume control, voltage control, projector input, speaker output, power plug receptacle and power switch with black leather handle.
Inscriptions Embossed in silver on plate on top of amplifier: American Tri-Ergon Corporation New York City covered by one or more of the follwing U.S. patents 1558032, 1557678 other patents pending / Printed in silver above volume dial: VOLUME / Printed in silver above phonograph input jack: SOUND ON DISK PICK UP / Printed in silver above voltage dial: P.E. CELL / Printed in silver below speaker jack: LOUDSPEAKER / Printed in silver left and right of power switch: ON, OFF / Printed in silver below power receptacle: 120V. A.C. / Printed in silver below projector jack: PORJEKTOR / Printed in silver below ground jack: GROUND / Printed in white on base of amplifier: MADE IN GERMANY
