cpitcher@verizon.net:
1/2 KW Rotary Spark Transmitter- Murdock Oscillation Coil, Thoradson 1/2 KW Transformer, Murdock Rotary Gap, Murdock Spark Condenser, Sprague Keying Condenser, Roller-Smith Hot Wire Ammeter, Kilbourne & Clarke Send Receive Switch
cpitcher@verizon.net:
Four Rotary Spark Gaps - Murdock, Haller-Cunningham "Sayville", Young & McCombs, and Unknown
cpitcher@verizon.net:
Fixed & Rotary Spark Gaps- Murdock Oscillation Coil
cpitcher@verizon.net:
Huge Spark Gap Helix Coil with Marble top & bottom. Right is antenna switch on marble base.
cpitcher@verizon.net:
Navy Spark Gap Transmitter Oscillation Coils from Panel Transmitter
cpitcher@verizon.net:
Spark Gap Oscillation coils
cpitcher@verizon.net:
Spark Gap Coils
cpitcher@verizon.net:
Spark Gap Antenna switches Murdock and Manhatten Electric Supply
cpitcher@verizon.net:
Assorted Coherers and Crystal Radio Detectors
cpitcher@verizon.net:
Spark Gap Keys
cpitcher@verizon.net:
Rotary Spark Gap 1910
cpitcher@verizon.net:
Murdock Rotary Spark Gap
cpitcher@verizon.net:
Ruhmkorff Wireless Spark Coil with built in Spark Gap and Condenser
cpitcher@verizon.net:
More Spark Gap keys
cpitcher@verizon.net:
Spark Gap Key Mercury 1913 Dime contacts
cpitcher@verizon.net:
Telegraph Station Buchanan Jordan Co.(English) with Key, Register (printer) Dual Meters and Line Selector Switch
cpitcher@verizon.net:
Signal Corps BC-14A receiver, Message book, SRC-49 Mule Pack "Model C" Receiver and BC-15A Aeroplane Spark Gap Transmiller with trailing wire antenna reel and J-5 key
cpitcher@verizon.net:
Huge Spark Gap 1 KW Transmitter
cpitcher@verizon.net:
Rotary Spark Gaps with Motors
cpitcher@verizon.net:
1 KW Fixed Gap Spark Transmitter
cpitcher@verizon.net:
Rotary Spark Gap Spark Contacts (left)
cpitcher@verizon.net:
Murdock Spark Gap Key with Dime Contacts
cpitcher@verizon.net:
1 KW Rotary Spark Gap (Unknown)
cpitcher@verizon.net:
1 Kilowatt Rotary Spark Gap
cpitcher@verizon.net:
Adjustable Spark Gap Oscillation Coil and Antenna Switch
cpitcher@verizon.net:
Wireless Specialty Apparatus SE 183A Triple Crystal Radio Detector
cpitcher@verizon.net:
Crystal Radio Loose Coupler Receiver (Unknown)
cpitcher@verizon.net:
Crystal Radio Atwater Kent
cpitcher@verizon.net:
Signal Electric Navy Type Loose Coupler for Crystal Radio Receiver
cpitcher@verizon.net:
Two different model Murdock Rotary Spark Gaps
