Видео с ютуба Ludlum Model 9-4Rf

Model 9-4/9-4RF Ion Chamber Survey Meters | Ludlum Measurements

Ludlum Model 9 Ion Chamber

Обзор моделей 9-4 и 9-4RF

Ludlum Model 3 #9

Ludlum model 9-3 power up

New Equipment: Demonstration of Ludlum Model 3 with 44-9 Probe and two Extremely Hot Radium sources.

Polonium 210 & Ludlum Model 3 / 44-9GM

Ludlum Instruments Symphony Model 9-3 and 2363 in Gamma field with occasional neutrons.

Ludlum Model 3003i and uraninite/schrockingerite

Ludlum model 3 with 44-9 detector demo

Ludlum Model 9-3 Ion Chamber Survey Meter check with uranium rock

Model 9DP Pressurized Ion Chamber | Ludlum Measurements

Finally got a new geiger counter, Ludlum Model 3 with a 44-9 Probe

My Uranium collection and Ludlum 3 & 44-9 probe

Tritium compass and Ludlum 3 + 44-9

Ludlum Model 3 #3