Original WWII Imperial Japanese 1943 Dated Field Headquarters Desk Top Telegraph Machine
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Original Item: Only One Available. Extremely rare World War Two Imperial Japanese Army IJA morse code desk top portable telegraph machine made for field headquarters. Data plate reads 昭 和 18 年 11 月 - Showa 18 (1943) 11th Month (November). Offered in very good to excellent condition. Closed box measures 17.5" x 9" x 11". This machine was not tested and is being sold purely as a novelty/display item.
Japanese Morse Code
Japanese Morse Code is used for the landline telegraph system in Japan, as well as by Japanese radio stations on ships and on land. However, when messages are sent to foreign countries or ships, they are transmitted using International Morse Code.
Although the dot and dash signals are the same in both codes for numerals and the letter U, there are significant differences between Japanese and International Morse. The signals for the single letters A, E, I, N (or M), and O in the Japanese system are entirely different from the equivalents in International Morse. The other combinations of dots and dashes represent two-letter and three-letter groups of Romaji (pronounced ro-mä-j'e), which is an English language phonetic system that approximates Japanese spoken sounds.
Messages in Japanese Morse can be transmitted according to either the Romaji spelling or the Nippongo modification. Frequency tables for Japanese single letter occurrences are unreliable because of differences in spelling and peculiarities inherent in the language itself. Tables of digraphs and trigraphs are needed. Although the word lengths of plain language text vary greatly, messages are frequently sent in regular groups of fifteen letters each. Such communications are not in code, with code messages usually transmitted in five-letter groups.
Japanese Morse signals are recorded on paper tape using ink-recorders, just as the characters of International Morse Code are received on tape. For the ideographs, which are picture-writing equivalent to Romaji, both tape and page types of teleprinters are used.
Accurate translations of messages transmitted in Japanese Morse would be challenging, unless the translator is familiar with the Japanese language and the Romaji and Nippongo spellings.
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