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| Model 4V-NT-1 receiver. This example, held by the Hammond Radio Museum ,may or may not be fitted into its original cabinet. |
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| Model 4V-NT-1 interior view. It uses type 199 tubes. |
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| Model 4V-NT-1 nameplate. The designator on the receiver's front panel says 4V-NT1 while the nameplate on the inside bears the designator M 4 for the type number. This receiver was likely intended for the home entertainment market, but later marketed as a commercial device. |
| All photos in this table by Lewis Bodkin |