fullerphone mk iv - 1939 (stv3 p21)
DESCRIPTION
The Fullerphone Mk. IV is a D.C. portable instrument of hight sensitivity.It is suitable for use in forward areas as its signals are practically immune from interceptionTHE WAR OFFICE. 25th Octaber, 1939.TRANSCRIPT
![Page 1: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/1.jpg)
![Page 2: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/2.jpg)
![Page 3: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/3.jpg)
![Page 4: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/4.jpg)
![Page 5: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/5.jpg)
![Page 6: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/6.jpg)
![Page 7: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/7.jpg)
![Page 8: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/8.jpg)
![Page 9: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/9.jpg)
![Page 10: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/10.jpg)
![Page 11: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/11.jpg)
![Page 12: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/12.jpg)
![Page 13: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/13.jpg)
![Page 14: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/14.jpg)
![Page 15: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/15.jpg)
![Page 16: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/16.jpg)
![Page 17: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/17.jpg)
![Page 18: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/18.jpg)
![Page 19: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/19.jpg)
![Page 20: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/20.jpg)
![Page 21: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/21.jpg)
![Page 22: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/22.jpg)
![Page 23: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/23.jpg)
![Page 24: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/24.jpg)
![Page 25: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/25.jpg)
![Page 26: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/26.jpg)
![Page 27: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/27.jpg)
![Page 28: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/28.jpg)
![Page 29: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/29.jpg)
![Page 30: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/30.jpg)
![Page 31: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/31.jpg)
![Page 32: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/32.jpg)
![Page 33: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/33.jpg)
![Page 34: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/34.jpg)
![Page 35: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/35.jpg)
![Page 36: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/36.jpg)
![Page 37: Fullerphone Mk IV - 1939 (STV3 P21)](https://reader030.vdocuments.mx/reader030/viewer/2022012403/551d2e674979595f198b4994/html5/thumbnails/37.jpg)