Precision mercury-in-glass thermometer 760 mm long
- Made:
- 1949
Precision mercury-in-glass thermometer 760 mm long, range 14 to 25 C by 0.01 , marked English made, 15 cm immersion, NF, N/481, NPL49, and with a monogram with the letters BB, in wooden case 840 mm long, 1949.
