1862 London Exhibition: Catalogue: Class V.: George Clark
1242. CLARK, GEORGE, 30 Craven Street, Strand.
Gas signals for railways, tunnels, telegraphs, lighthouses, ships, and fire-alarms.
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1242. CLARK, GEORGE, 30 Craven Street, Strand.
Gas signals for railways, tunnels, telegraphs, lighthouses, ships, and fire-alarms.
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MW1.43