โ Scribed by Hayhurst, Walter
No coin nor oath required. For personal study only.
Two iicw types of silicon iron ])u~iips Itnvc rcccntly been de\dopcd by the writer :it tlic works of Gnt.lirie & CO., Cltemic:tl lhginccrs, Accrington, Englnnil, to e I FIU. 1 Mcfhorf o/ wspentlixg silicon iron impeUer deal with the rcqiiireiiieiits spccilicd by Iiirgc clieinicnl muiiufiicturers. For iiiost piirposcs the ccnt.rifiigd 11iiiiip is the hest :ind t~liis type is dcscribcd first. n o . 2 Silicon iroxa impeller In proporbion to the qunnt,ity of liquid dclivcrcd, this type is, coiiipnrcd with tlie plunger types, of relnt.ivoly sninll dimensions. The efticicncics nrc Iiig]~ niid tlic fiwt cost per cb. in. of liquid rniscd to n givc11
I'npor contrlllutcd to tho \'nrld 1EiiglneorllrC; Congress, 'fokyt~, n,-tntlPr inon Jieigltt is rclotively low. k'undnmcntcil considertitions nrc here indicnted. Jlelior~ of tho JJL~III~~IIIOII~ of Sclciitillc iiiid l ~~i l i ~n t r l n l ~( c m ~r i * b for the yrnr lU%W2(1, L'tud. :1.17l. l'p. Y + ?MI. 1I.U. Sitrlloucry OilCa, 'WJ. 56. Ud.
๐ SIMILAR VOLUMES
CURRENT TOl 'ICS 265 reasonably good quality print of less than 0.1 per cent. The character recognition system is linked at present to an IBM 1401 computer, which provides the memory for the system and controls an output printer and tape unit. At present, the computer also performs certain logical f
## EFFECT OF A BROKEN STITCHING THREAD. Comparative tests were made with specimens in which the stitching thread was broken. It was found that the shuttlestitch seam was weakened much more than the double-locked stitch, and the pulling out of the threads in the former stitch caused the seam to giv