The HP Model 100B Secondary Frequency Standard
The HP 100B in the HP Memory Project Collection |
Click-Here for High-Resolution Display of this picture = 1200 pix @ 300 ppi |
Page 30 of the 1948 Catalog Courtesy of the Hewlett Packard Company |
Page 31 of the 1948 Catalog Courtesy of the Hewlett Packard Company |