166 Courage Ingenuity and Perils of Firemen. SLATE PENCIL MACHINE Remarkable Locomotive Explosion. ENGINE WITH GAS-FIRED BOILER. ENGINE WITH GAS-FIRED BOILER. WI 4 S MISCELLANEOUS INVENTIONS. MACHINE FOR MAKING SLATE PENCILS., scientific american, 81-03-12


166 Courage Ingenuity and Perils of Firemen. SLATE PENCIL MACHINE Remarkable Locomotive Explosion. ENGINE WITH GAS-FIRED BOILER. ENGINE WITH GAS-FIRED BOILER. WI 4 S MISCELLANEOUS INVENTIONS. MACHINE FOR MAKING SLATE PENCILS., scientific american, 81-03-12


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