Photographic registration apparatus from Mintrop refraction field seismograph for geophysical prospecting
Case for field seismograph vertical pendulum from Mintrop refraction seismograph for geophysical prospecting (case - container)
Legs from tripod stand from Mintrop refraction seismograph for geophysical prospecting (stand - support furniture)
Upper section of tripod stand for photographic registration apparatus, from Mintrop refraction seismograph for geophysical prospecting (stand - support furniture)
Vertical pendulum from Mintrop refraction field seismograph apparatus for geophysical prospecting (seismograph)
