The HP Model 202B Low Frequency Oscillator
The HP 202B in the HP Memory Project Collection |
Click-Here for High-Resolution Display of this picture = 1200 pix @ 300 ppi |
The HP 210A in the HP Memory Project Collection |
Click-Here for High-Resolution Display of this picture = 1200 pix @ 300 ppi |
Page 10 of the 1948 Catalog Courtesy of the Hewlett Packard Company |
Page 11 of the 1948 Catalog Courtesy of the Hewlett Packard Company |