Show canao CANALS the surveyor Gener general zil etl gives the fol foi lowing as the length and nd cost of some of the most impo important arta ht canals in california the bear dear river and auburn canal can cavi al cost enst and extends seventy three miles with branches extend extending ng many more south fork tork canal first e expended and their works sold t to pay a y the debts contracted above this sum canal a nal length of main maln trunk forty miles with branches about the same cost tuoi amne water company D teil tell assessed value length of ditch and anti branches fifty miles tuolumne hydraulic ditch leneth length sixty mile miles cost streets ditch or shaws flat mat water company cost length sixty columbia an and stanilaus stanislaus river water compan company 1 cost length lengh fifty miles alta CY california AT the late lale meeting hireling of the ariti li Asso ciati ciali n of science prof arof calvert gaisert read a paper en on the J iron manufacture in in lie he stated staled that diat b by y mixing about half a bushel of common salt with mith every ton of coal in in the coke coie oven the coke roke BO io made gave off no sulphurous lumes tunics and when used in in a cupola in in smelling it produced iron much closer in grain and 20 per cent at attinger I 1 than that made froni ironi common coke this coke was s also algo superior for locomotive use this in in formation may be of importance to so some tome ne of our birou iron manufactures manufacturer wha who hoi might alory alora th the e e ff e I 1 s of stilt in in their blas blar it furnaces aa as prof cn calvert I 1 vir ver stated staled that libat when thus used it unproved the iron though not to such a degree as by using the puri pun fird coke scientific american c |