Used for measuring the intensity of gamma-radiation and x-rays, and detecting beta rays.Grey, rectangular Geiger counter box with two black dials and viewing window with measurement scale. Four slits in top with setting dial on upper right side.Embossed sticker (top of front): 'CALIBRATED DEC. 68 / MULT. READINGS BY I.3' Labels on dials and measurement viewing window.radiameter, geiger counters, radiation measurement, scientific equipment, frieseke & hoepfner, germany

Glass Geiger counter ready for evacuation. For details see No 15.

Short glass Geiger counter tube with evaporated gold cathode.

Cylindrical glass Geiger counter tube, inner surface (cathode) partially covered in evaporated gold.“IE29”

Clear glass tube, about 50 % completed by glass blower towards Geiger counter construction.

As for Cat. 58 demonstrating GM Tube prior to evaporation of cathode.

Use to measure radiation at Stawell Technical SchoolGrey box with handle on top and four electronic counters on front used with Geiger Muller detector. Kemp Model 4DS10 Designed and made by E A Kemp Pty Ltd Sydneyscience, education

Sensor probe Use to measure radiation with Counter. Is missing counter and plugSmall metal cylinder Glass tube sensor in orange plastic box - missing cableMullard MX14 Made in Hollandscience, education