larly favorable for galvanic action. In dry places, point where it is desired that the expansion shall take however, a soldered joint will apparently last an indefi- place. The engine has been patented by Fred J. nite time. Macey, of Ontonagon, Michigan. In view of the high heat conductivity of… … COIN-CONTBOLLED TIBE-INFLATEB. balances and weights. By using aluminum, greater delicacy can be attained in weighing than when the M. Gentil'S expedition has succeeded in number of solders on the market having this charac- scales are made of heavier metals, while it is easier to working its way…
