Blast Fone (Sound Wave Trap)
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| Item | Blast Fone (Sound Wave Trap) |
|---|---|
| Item code | |
| Description | |
| Manufacturer | Petty Geophysical |
| Circa | 1928 |
| Model | |
| Donor | Petty Geophysical |
| Location | Bureau of Economic Geology - The University of Texas at Austin |
| Serial number | |
| Taxonomy | GSH290 |
BLAST PHONE A cake pan and carbon mike used to determine air wave arrival hence distance in early refraction work. Temperature and wind direction were taken into account to measure time from surface explosions of as much as 17 pounds of powder.
