Brush Instruments ; Brush Electronics ; Clevite Corp. Search this
Notes content:
Crystal vibration and pressure pickups ; transient recorders ; direct recording strain analyzers ; magnetic oscillographs ; magnetic penmotors ; Piezoelectric materials ; phonograph pickups ; etc. ; recording and sound reproduction equipment; company was the world's largest producer of artificially grown crystals for use in phonograph pickups, microphones, hearing-aid components and underwater signaling devices
Includes:
Trade catalog
Black and white images
Physical description:
37 pieces; 2 boxes
Language:
English
Type of material:
Trade catalogs
Trade literature
Place:
Cleveland, Ohio, United States
Date:
1900s
Topic (Romaine term):
Measuring; calculating and testing devices Search this