Oxcars

Նկարագրություն : Originally lit using an oil burner, It was the first manned Northern Lighthouse Board lighthouse to be converted to automatic operation in 1894. The automatic gas light was operated by clockwork. It had to be wound up every fortnight when the engineers changed the gas supply. The flame was always alight, but its intensity increased during hours of darkness. This mechanism was later replaced with an AGA sun valve. Engineers Thomas and David A Stevenson

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