九五式短四號送信機用 ... For Type 95 model 4 shortwave transmitter
電動發電機配電盤(乙) ... Switchboard of electric generator
NO. 241.............. No. 241
昭和16年12月........ December 1941
海軍艦政本部 ........... Imperial Japanese Navy Technical Department
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Type 95 model 4 shortwave transmitter
Output 500W
Frequency 3.75 to 18MHz
Mainly equipped with vessels