Ratemeter

Portable ratemeter Type R.M.5/1, white painted metal case, used at Dounreay Nuclear Power Plant, Caithness, Scotland, by N.E. Technology Ltd, Beenham, Reading, late 20th - early 21st century

Ratemeter

Portable ratemeter SC100 Type 995004-1, in white plastic case with Alpha 8-1 and Beta 8-1 probes, battery, screwdriver and instruction booklet, battery, used at Dounreay Nuclear Power Plant, Caithness, Scotland, by Harwell Instruments Ltd, Harwell, Oxfrodshire, England, late 20th century