![](images/British/BRIT35.GIF)
Boyer Lowe Wavemeter
(British) |
![](images/British/BRIT36.GIF)
Forward Spark Wavemeter
(British) |
![](images/British/BRIT37.GIF)
Heterodine Wavemeter
(British) |
![](images/Wireless/Kilborne-&-Clark-Wavemeter.jpg) Kilborne & Clark
Wavemeter c. 1920
|
![](images/Wireless/Fessenden-Wavemeter.jpg)
Fessenden Wavemeter
c. 1906 |
![](images/Wireless/Kilbourne-&-Clark-Capacity-Bridge.jpg) Kilborne & Clark
Capacity Bridge c. 1920
|
![](images/Misc/MISC13.GIF)
Clapp Eastham BQ
Wavemeter
1921 |
![](images/Wireless/WIRE73.GIF)
General Radio Wavemeter
c. 1919 |
![](images/Wireless/WIRE72.GIF)
Burndept Ethophone Wavemeter
(British) |
![](images/Misc/MISC131.GIF)
General Radio
Type 566-A Wavemeter |
![](images/Misc/MISC132.GIF)
General Radio
Type 758-A Wavemeter |
![](images/Marconi/MARC28.GIF)
Marconi Wavemeter #2
100-2500 Metres
1906 |
![](images/Misc/MISC16.GIF)
Murdock Tuning Condenser
1914
![](images/Wireless/WIRE18.GIF)
Murdock Tuning Condenser
Approx. 1916
|
![](images/Wireless/WIRE39.GIF)
L.S. Brach Antenna Reel
1918
Used in conjunction with WWI aircraft wireless equipment
![](images/Misc-Images/SWITCH1.GIF)
Early Step Attenuator Switch
c 1890'S
|
![](images/Wireless/WIRE76.GIF)
Brown Telephone Relay
1914
This ingenious device uses a very
sensitive relay as an audio amplifier. It was used to boost the weak
audio output of early wireless systems. |
![](images/Wireless/WIRE12.GIF)
AWA High Voltage Condenser
1919
|
![](images/Wireless/WIRE71.GIF)
Aerial Switch
(Manhattan?)
c. 1912
|
![](images/Wireless/WIRE19.GIF)
Murdock Condenser
Approx. 1916
|
![](images/Wireless/WIRE51.GIF)
Western Electric D 14293
Aircraft Microphone
1918
Used with WE SCR68 transceiver |
![](images/Wireless/WIRE83.GIF)
Holtzer Cabot Headphones
c. 1916 |
![](images/Wireless/WIRE87.GIF)
Gamage code practice set
(British) |
![](images/Collins/Collins-coil.jpg)
Tuning Inductance
Collins Wireless Telephone Co.
ca. 1906 |
![](images/Wireless/Deforest-Variable-Cap.jpg)
DeForest Variable Condenser |
|
Wireless Telegraph Franks
![](images/Wireless/WIRE66.GIF) ![](images/Wireless/WIRE67.GIF)
These were given to employees of the wireless companies to use in
lieu of payment for wireless transmissions. They are essentially a
"wireless postage stamp." |