Portable refraction seismograph by Geospace

Made:
1960

Portable refraction seismograph by Geospace, model GT2A, c.1960

Details

Category:
Geophysics
Object Number:
1980-679
Measurements:
overall: 407 mm x 270 mm x 455 mm,
type:
seismograph
credit:
Darracott, B.W.