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CONVERTIBLE CAR.

Description: Patent for improved convertible cars pertaining to railroad rolling-stock, that can be converted from freight-car into a box-car or cattle-car. This invention is tighter in corners when serving as a box-car, to prevent leakage of transports.
Date: May 22, 1906
Creator: Cothern, John K.
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Acetylene-Gas Machine

Description: Patent for a acetylene gas machine that automatically controls the flow of carbid or gas producing material into the generator "by means of a float and lever connection with the valve of the carbid hopper" (lines 19-21).
Date: May 7, 1907
Creator: Ricketts, James R.
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Artificial Stone.

Description: Patent for a process of manufacturing artificial stone in which “it will not cracked by reason of exposure and which may be readily engraved, impressed or otherwise marked to form letters, characters, emblems and etc….” (Lines 16-20). No illustration.
Date: August 28, 1900
Creator: Johnson, Jesse W. & Hendrix, Albert S.
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Automatic Air-Brake Coupling.

Description: Patent for "a new and useful improvements in automatic air-brake couplers to enable others skilled in the art to make and use the same, the invention also relates to improvements in automatic air-brake couplings in cars". (lines 5-10) including instructions and illustrations.
Date: July 17, 1900
Creator: Cary, Lewis C.
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Chain Jack.

Description: Patent for new and useful improvements in chain-jacks. "This invention aims to provide a chain-jack for lifting the boxes of axles, so that the bearings or brasses therefor can be readily replaced, and is designed especially for use in cases of hot boxes on railway-cars" (line 11-15).
Date: February 18, 1902
Creator: Phillips, Henry S.
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Churn

Description: Patent for a butter churn with gentle agitation meant to keep butter cells from breaking including illustrations.
Date: October 2, 1900
Creator: McCausland, Joseph H.
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Apparatus for Calcining Plaster

Description: This patent is for an apparatus for calcining plaster of any kind. Or an apparatus that keeps clean the inner surface of a revoluble drum for ventilating the drum during the calcining operation. The apparatus also provides for easily removing the material after the completion of the cooking operation (Lawrence, 1902).
Date: unknown
Creator: Lawwrence, Ambrose
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Composition for Tanning

Description: Patent for new and useful improvements in compounds for tanning, using water, four gallons, fluid extract of phytolacca or common poke root, quarter of an ounce, gum gambier, four pounds, and alum, one pound.
Date: March 9, 1909
Creator: Burrows, Ira I
Item Type: Refine your search to only Patent
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