| The dial type telephone of the first domestic production changes the restoration after the great earthquake of Kantou and the manual exchange method which is the limit up to now is changed to the automatic exchange method at the chance. The automatic exchange bureau of H type was installed in A type and Yokohama for the first time in Tokyo in January, 1926. (then advertisement advertisement and spectacle) | ||
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Type2 Desktop Telephone No1 dial Vasion
| As for the first dial machine of the second automatic type, the problem that the noise enters the dial of A type 48V specification and H type 60V specification etc. are, and change into the second dial back though were two kinds. (The photograph under is the first dial) | |||
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Type2 Wall Telephone No1 dial Vasion
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I will introduce the dial specification of the second thefirst automatic type tapestry telephone. (The photograph under is the first dial) |
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Type23 Wall Telephone
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The 23rd automatic type tapestry telephone changed the transmitter inducement terminal line board with the improvement machine of the second automatic type tapestry telephone and appeared with the model which improved the transmission characteristic thirdly the average in 1953. (photograph the under) |
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I660 wall telephone
| In these 660 telephones, the body is the metals. Manufacturing in 1935 | |||
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