. Archives of useful knowledge. m Lands, of Georgetown, Columbia District, in theV/ater wheel, August 28. Theodore Hart, of New York, a .double spring angular trusts,August 30. Andrew Henshaw and Natiianitl Harlow, junr. of Banger,Hancock county, Massachusetts, in constructing and workingpumps for the use of ships, &c., August 30. Co J The patentee states that malt liquor and cider may be kept on draughtm the patent casks as ripe as in bottles, and may be preserved without vent,during- transportation, in the warmest weather, by sea or land. They are ofvarious sizes. The smallest holds about as


. Archives of useful knowledge. m Lands, of Georgetown, Columbia District, in theV/ater wheel, August 28. Theodore Hart, of New York, a .double spring angular trusts,August 30. Andrew Henshaw and Natiianitl Harlow, junr. of Banger,Hancock county, Massachusetts, in constructing and workingpumps for the use of ships, &c., August 30. Co J The patentee states that malt liquor and cider may be kept on draughtm the patent casks as ripe as in bottles, and may be preserved without vent,during- transportation, in the warmest weather, by sea or land. They are ofvarious sizes. The smallest holds about as mucli as three and an half dozenporter bottles, the middle size five and a half doaen, and the largest eleven4ozen. By means of a pipe, annexed by a simple contrivance, the liquor will spon-taneously mount into a bar room, and being received in a keg furnished witha vessel for holding ice, may be drawn at pleasure, cool and foaming. Tills improvement is now in operation in Philadelphia, in various taverns. Editor. Fa^.2^?^. ARCHIVES OF USEFUL KNOWLEDGE, Vol. 111. JANUARY, 1813. No. 3. PAPERS ON PAULUS HOOK STEAM FERRY BOAT, (With a Plate.) THE danger and inconvenience of the ferry across Hudsonsriver, from New-York to Jersey city, has been sensibly felt byall who were necessitated to pass by that route, which is one ofthe most frequented from Maine to Georgia. In head winds andstrong tides, it has often required three hours to make the pas-sage, and in a calm it has been next to impossible to get over sucha boat as would be able to take a horse and carriage. Even un-der the most favourable circumstances, the risque and inconve-nience of putting a carriage and horses into a sail boat, was dailyexperienced, and the passage of the Hudson pressed like a loadon the mind of the traveller who was under the necessity of cros-sing it. A bridge in this situation is rendered impracticable, inconsequence of the width of the river, the depth of the water,expense of constructio


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