Detector Air Wave Sound Phone

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Item Detector Air Wave Sound Phone
Item code
Description
Manufacturer
Circa 1928
Model
Donor Petty Collection
Location The University of Texas at Austin
Serial number
Taxonomy GSHP031

This was an air wave (sound) detector used in refraction shooting in Venezuela about 1928. In reconnaissance shooting it saved surface surveying as the distance was computed from travel time of sound in air.

GSHP031.jpg