Cold storage, heating and ventilating on board ship (1911)
Walker, Sydney Ferris · New York : Van Nostrand · leaf 194
Cartridge Unit, Quartz Enamel Unit. FIG. 33. GENERAL ELECTRIC HEATING ELEMENTS. graphite, carborundum and silicious matters. These substancesare ground together and then pressed into blocks, and after-wards made into grains of a uniform size. The grains fordifferent types of apparatus vary in size…
Ships -- Heating and ventilation · Cold storage on shipboard
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