. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. 142 THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. [ArRiL, as and perfecting a doiiartment, -wliieli, I think, all will aprree is of stieh vital consequence to the cliaracter and inipoitance of our national buildings, and to the success and well-being of our manufactures LUBRICATION. (From Dr. Ure's Diciiunart/of Arts, Manufactures, and Mines.) The following simple and efficacious jdan of lubricatiiig the joints and beaiings of machinery by capillary attraction, has been kindly
. The Civil engineer and architect's journal, scientific and railway gazette. Architecture; Civil engineering; Science. 142 THE CIVIL ENGINEER AND ARCHITECT'S JOURNAL. [ArRiL, as and perfecting a doiiartment, -wliieli, I think, all will aprree is of stieh vital consequence to the cliaracter and inipoitance of our national buildings, and to the success and well-being of our manufactures LUBRICATION. (From Dr. Ure's Diciiunart/of Arts, Manufactures, and Mines.) The following simple and efficacious jdan of lubricatiiig the joints and beaiings of machinery by capillary attraction, has been kindly commu- uicatid to me by its ingenious inventor, Edward Woolsey, Esq. :â Fig. 1. Fig. 2. Fig. 3. laipja. c 1 f ^l Figure 1 is a section of a tin ciip, whieli has a small tin tube a, which passes through the bottom, as shown by tht- dotted linos. Oil is poured into the cup, and one end of a worsted or cotton thread is dipped into the oil, and tlie other end passed through the tube. The capillary attraction causus the oil to ascend and pass over the orifice of the tube, whence it gradually descends, and drops slower or quicker, according to the lengtli of the thread, or its thickness, until every particle of oil is drawn over by this capillary syphon. The tube is intended to be put into the bearings of shafts, &c., and is made of any size that may be wished. If oil, or other liquids, is desired to be dropped upon a grindstone or otlier surface, this cu]) can have a handle to it, or be hung from the ceiling. It is frequently required to stop the ca- pillary action when the machinery is not going; and this has been effected by means of a tightening screw, which passes through a screw boss in the cover of tlie cup, and presses against the internal oriGce of the tube, pre- venting the oil from passing. As I fnid when tliese screw-cups aie used upon beams of engines and moving bearings, that the screw is apt to be tightened by the motion; and also, as I think the action of the scr
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