Naylor Spiralarm Type M Coal Miners Lamp Firedamp Gas Detecting Wigan Vintage

Naylor Spiralarm Type M Coal Miners Lamp Firedamp Gas Detecting Wigan Vintage

£185

Circa

1940

Country of manufacture

UK and Ireland

Categories: Technology, Other Technology Antiques

Description

Offered for sale;
Naylor Spiralarm coal mine /underground firedamp gas detecting lamp, circa 1940s.
Spiralarm type ” M ” brass and steel version in excellent condition.
Not designed to be carried around for light, but were specifically to detect the presence of dangerous gases.
If gas was detected the flame would grow higher, causing a bimetallic coil to uncurl and form an electrical contact in the base of the lamp and light a bulb in the base of the lamp and light up red as a warning.
Height excluding the ring and hook, 12″ or 305mm, weight 3065 grams.
In very good, sound, condition apparently complete and original.

Guaranteed old and original.

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Dealer information

GB Cog Scientific

As a fine art sculpture graduate I have applied my appreciation and understanding of form and function to my lifelong professional career in the antiques trade. Over forty years dealing in what I considered worthy, within the fields of decorative arts and sciences, I have always purchased over a wide spectrum and look forward to offering an exciting variety of stimulating pieces.

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