Journal of the Franklin Institute, Volume 44Pergamon Press, 1847 Vols. 1-69 include more or less complete patent reports of the U. S. Patent Office for years 1825-59. |
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acid action alumina apparatus application arranged August 28 baryta blast boiler bridge carbonate carriage centre chamber claim therein color combination connected construction copper cotton cylinder deposited desire to secure diameter effect employed engine equal exhibited experiments feet flues Franklin Institute fully described furnace gauge girder glass gun cotton heat Improvement inch increased iron judges July July 20 June June 13 June 27 letters patent lever light lime machine manner manufacture Mass means Menai Straits ment metal mode motion muriate muriates of potash obtained Ohio operation oven oxide pass patentee says Pennsylvania Phila Philadelphia pipe plate platinum portion potash present pressure produced purpose quantity Railroad red heat rollers screw secure by letters shaft side sliding soda spring stannate steam stove substantially sufficient sulphate surface telescope temperature thickness tion tube upper valve vapor vessel weight wheel wire York zinc