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PRACTICAL AND INTERESTING PAPERS,
THE PHILOSOPHICAL TRANSACTIONS AND
SCIENTIFIC JOURNALS OF ALL NATIONS.
THE USEFUL ARTS,.
PROCEEDINGS OF LEARNED SOCIETIES,
VOLUME IV.-SECOND SERIES.
CO N T E N T S
FOURTH VOLUME, SECOND SERIES.
Specifications of Patents.
Page Mr. Newstead's, for preparing Barilla and Kelp, and the neu
tral Salts obtained therefrom,
sweeping Chimneys, and extinguishing them when on fire, Mr. Kentish's, for an improved Derrick for loading and unload , ing Ships, -
93 Mr. Ransome's, for making and tempering Cast-iron Plough-shares, 97 Mr. Hooper's, for Machinery for cleansing Harbours, Rivers, &c. 161 Mr. Bevans's, for applying Machinery for striking or sticking Mouldings,
- 171 Miss Bell's, for sweeping Chimneys, and a new Manner of con-'. structing them,
174 Meff. Roberts and CATHERY's, for eradicating Sinut from Wheat, 181 Mefl. Trevithick and Vivian's, for Improvements on Steam
Engines, and for applying them to driving Carriages, - 242" Mr. Everett's, for Salisbury Angola Mole-Skin, ' - 249 Mr. Hately's, for some reducing Fluxes for purifying Mineral and Metallic Bodies,
250 Mr. Boond's, for a new Manufacture of mixed and coloured Cotton Velvets, &c.