Philco 41-220
Brand: Philco Radio &
Telev. Corp. Year Of Manufacture: 1941 Frequency Range(s): 540 - 1600KC, 1.6 - 3.3 MC
Tube lineup: 35Z3
Rectifier, 35A5 Output, 7C6 2nd Det/AVC/1st Audio, 7B7 I.F.,
7A8
Det/Osc, 7C7 R.F.
Schematic: Available here,
courtesy
of Nostalgia Air.
Riders 12-48
An
ebay find, this radio required a few repairs to have it working and
looking good for display. The electronics were all original, so the
capacitors were all replaced, taking the extra time to restuff the new
caps. The dial cover was badly warped and cracked, so it would have to
be replaced. A new cover was made using a kit available from Bill Turner. Many
radios of this era used asbestos sheets underneath the chassis.
Asbestos is relatively harmless unless it is disturbed and tiny
particles become airborne. Brush on lacquer was used to seal this in
place and prevent it from becoming damaged.
The
final step was cleaning up the cabinet. The
original finish was mostly there, just starting to crack and flake. The
bad spots were touched up using some stain sticks, and a few coats of
clear lacquer were sprayed on to seal in and preserve the finish. Below: Before restoration.
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2007 "Jeremy's Antique Radios"