Silver-Marshall 710
"Sargent-Rayment Seven"
1928
Silver-Marshall Incorporated,
846 W. Jackson Blvd.,
Chicago, Illinois, USA

Tube Line Up:
22...1st. R.F. Amplifier
22...2nd. R.F. Amplifier
22...3rd. R.F. Amplifier
22...4th. R.F. Amplifier
12A...Detector
12A...1st. Audio
71A...Audio Output

Power Source:
Battery...+6 volts
Battery...+45 volts
Battery...+90 volts
Battery...+135 volts
Battery...-4.5 volts
Battery...-22 volts

Frequency Ranges:
BC Band...540 kHz - 1500 kHz

Measurements:
Height...9 inches
Width...29.5 inche
Depth...13.5 inches

Click Here to view the factory building on Terraserver.  The factory is the building just above the red dot.

    The schematic for this radio can be found at the Nostalgia Air web site by clicking on the links below.

Schematic and information

Click to this website to a see a mid 1920s Silver-Marshall radio catalog which shows a photograph of the factory building.

This web page was last updated: January 24, 2007