ng influenced by special or professionalclaims. They will have it in their power to render the pat-ent office an educational institution of the highest order. MACKS IffiPKOVED FEED-WATEE HEATER. The great advantages of storing up heat in steam, fromwhich it can be transmitted to water by condensing… … large amount of latent heat in steam is thus converted intosensible heat in water, and so much greater is the latent heatof steam at 212° than of water at the same temperature, thatone pound of steam at 212°, condensed in five and a half poundsof water at 32°, will give a result of six and one half…
Patents · Exhibited · Assignor · Boiler · Iron · Spontaneous ignition · Antedated · Small quantity · Patent laws · Patent office · Additional force · Scientific American · Sulphuric acid · Roquefort cheese · Wrought iron · Years ago
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