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[/floatl][SIZE="4"] Acoustic locators in Japan: 1930s.[/SIZE]
....impressive array of Japanese war-tubas belong to at least two acoustic locators mounted on 4-wheel carriages. It is a little difficult to work exactly what is connected to what, not least because the background appears to have been erased by some unsubtle retouching...
...To the right, one of the figures is the Japanese emperor Hirohito . Behind him are the AA guns intended to be used in conjunction with the locators. The only Japanese gun that I have found documented as being used with a sound locator is the Type 88 dual-purpose AA/coast-defence 75mm; there is not enough visible detail to verify that these are the guns shown....
