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  • Classification / Category: Coil  
  • Collections: radio  
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Cruft Laboratory, Harvard University (9)
General Radio Company (8)
Wireless Specialty Apparatus Company (2)
National Company, Inc. (1)
William J. Murdock Company (1)
Wireless Manufacturing Company (1)

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Coil (11)

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radio (11)

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coil

coil

William J. Murdock Company
condensing coil

condensing coil

Wireless Manufacturing Company
National coils for HRO reciever

National coils for HRO reciever

National Company, Inc.
1935
Tuning coil, "Coil A", 75-275 meters, Serial No. 113

Tuning coil, "Coil A", 75-275 meters, Serial No. 113

General Radio Company
Tuning  Coil, "Coil B", 275-950 meters, serial No. 113

Tuning Coil, "Coil B", 275-950 meters, serial No. 113

General Radio Company
Tuning coil, "Coil C", 950-2700 meters, Serial No. 113

Tuning coil, "Coil C", 950-2700 meters, Serial No. 113

General Radio Company
Tuning coil, "Coil D", 2700-7250 Meters

Tuning coil, "Coil D", 2700-7250 Meters

General Radio Company
Tuning coil,  "Coil E", 7250-23500 meters, Serial No. 113

Tuning coil, "Coil E", 7250-23500 meters, Serial No. 113

General Radio Company
Tuning coil, "Coil F", 16,000-50,000 meters

Tuning coil, "Coil F", 16,000-50,000 meters

General Radio Company
Wireless Specialty type I-P 310 load coil

Wireless Specialty type I-P 310 load coil

Wireless Specialty Apparatus Company
Wireless Specialty type I-P 310 load coil

Wireless Specialty type I-P 310 load coil

Wireless Specialty Apparatus Company
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