firedamp alarm

Maker
International Gas Detectors
Description
"Ringrose" firedamp alarm. This is like a lamp with a brass cap, circular glass window containing a red and a clear bulb, a cylindrical top and a square base. Just above the waist are a series of holes covered with copper gauze.
For detecting methane. See archive a 726.06.
 See full details

Object detail

Department
Object
Maker
Production place
Leeds/Yorkshire/England
Signature & date
stamping:side:""RINGROSE""/ FIREDAMP ALARM/ BRITISH PATENT NOS/ 682663-686091/ OTHERS PENDING/ MINISTRY OF FUEL/ AND POWER/ APPROVAL/ .../ I.G.D./ LEEDS, ENGLAND"
moulding:top:"I.G.D.LTD/ LEEDS/ 7630"
stamoing side; "TO TEST THE ALARM/KEEP IT LIGHTED FOR/ONE MINUTE. TURN IT/OFF THEN ON. IF THE/RED BULB LIGHTS/ALL IS IN ORDER./REGISTERED DESIGN/NO 792723/INTERNATIONAL GAS/DETECTORS LTD/LEEDS, ENGLAND"
inscription;side; "FALKIRK/TECH COLL"
Associated person
Associated place
Falkirk College of Technology/Grangemouth Rd/Middlefield/Falkirk area
Measurement type, part and reading
Dimensions:0 - Whole:H 27.5cm (H 10 13/16")
Dimensions:base:W 7.5cm (W 2 15/16")
Accession number
1986-038-016

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