Compressed air . 8,728. FLOATING CAISSON. Andrew , Washington, D. C. Filed , 1905. Serial No. 279,347. An under-water floating caisson for the pur-poses described, comprising an open-topped work-ing chamber having a bottom and closed on allsides, said chamber being adapted to be entirelysubmerged and to be floated under the structureto be repaired, means for gaining access to thechamber from above the water after it is in placeand for exhausting the water therefrom, and 3971 COMPRESSED AIR. floats exterior to the chamber for suspending ormaintaining it at the desired depth o
Compressed air . 8,728. FLOATING CAISSON. Andrew , Washington, D. C. Filed , 1905. Serial No. 279,347. An under-water floating caisson for the pur-poses described, comprising an open-topped work-ing chamber having a bottom and closed on allsides, said chamber being adapted to be entirelysubmerged and to be floated under the structureto be repaired, means for gaining access to thechamber from above the water after it is in placeand for exhausting the water therefrom, and 3971 COMPRESSED AIR. floats exterior to the chamber for suspending ormaintaining it at the desired depth of sub-mergence while being moved into place. 808,768. COMBINED DOOR, LOCK, AND IN-DICATOR FOR CARRIERS USED INPNEUMATIC TUBES. Patrick J. Madigan,Chicago, 111. Filed Feb. 25, 1905. Serial ,309. 808,811. -AUTOMATIC W. Brown, Minneapolis, Minn. FiledAug. 27, 1904. .Serial No. 222,386. 808,837. ROCK AND COAL DRILL. Lester , Ottumwa, Iowa. Filed May 17,1905. Serial No. 260, A housing, a hammer mounted therein andprovided with exterior screw-threads, a slidably-mounted hinged block having screw-threaded en-gagement with said hammer, spring-pressed plun-gers located at opposite ends of said block forcushioning the movements of the same, meansfor adjusting the tension of the springs of saidplungers, and means for turning said hammer. 808,974. PROTECTOR FOR PNEUMATICTIRES. Henri David, Paris, France. FiledJan. 20, 1904. Serial No. 189,856. 808,903. AUTOPNEUMATIC MUSICAL IN-STRUMENT. Walter Crippen, New York,N. Y., assignor to Wilcox &• White , Conn., a Corporation of June 5, 1905. Serial No. 263,710. 809,083. AUTOMATIC ELECTRICAL CON-TROLLER FOR AIR-COMPRESSORS. FredD. Ackerman. Kendallville. Ind. Filed May 17. 1905. Serial No. 260,865.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectcompres, bookyear1896
