. Hardware merchandising 1895 . ed foruse the stove-dried crucibles filled with thecharges to be melted are very graduallybrought up to a bright red heat in a furnacesomewhat similar to a gas melting hole or asoaking pit with accessory firing. They are then transferred to the meltingfurnaces, which are of reverberatory form,with Siemens gas firing ; gas from the pro-ducer placed below the floor level and aircoming from opposite directions, right andleft, meet in the combustion chamber at oneend of the furnace, and the flame followsthe longitudinal axis of the melting hole,which has a capacity
. Hardware merchandising 1895 . ed foruse the stove-dried crucibles filled with thecharges to be melted are very graduallybrought up to a bright red heat in a furnacesomewhat similar to a gas melting hole or asoaking pit with accessory firing. They are then transferred to the meltingfurnaces, which are of reverberatory form,with Siemens gas firing ; gas from the pro-ducer placed below the floor level and aircoming from opposite directions, right andleft, meet in the combustion chamber at oneend of the furnace, and the flame followsthe longitudinal axis of the melting hole,which has a capacity of 18 or 20 pots. Eachfurnace has its own gas producer and chim-ney, the latter being aoout 18 inches square LARGE CONSIGNMENTOF . . NITRO POWDER Just Received. AT CLOSESTPRICES TOTHE TRADE HARD GRAINED SCHDLTZE s. s. E. C. Bowman, Kennedy & Co., Wholesale HardwareMerchants LONDON, ONT. 18 HARDWARE AND METAL Snap Shot This is a new powder madewith the greatest care, andspecially suited for Trap Shooting . .Pigeon Shooting. It is a strong powder, and clean, andwill give every satisfaction to the sports-men who value a good powder. It isequal, if not superior, to any powder inthe market. This powder is made fromthree sizes of grain and similar to thegrain of Dead Shot. FOR SALE BY M. & L. Samuel,Benjamin & Co. and 68 feet high. The fuel used is ligniteslack of a very inferior quality, having a cal-orific power of 4898 and an evaporative fac-tor of , or only about half that of goodcoal. Two and a quarter tons are requiredto melt 1 ton of steel, which includes thatnecessary for the preliminary heating. Thecrucibles, holding 66 pounds, are only usedfor one heat, being thrown aside after pour-ing to be broken up and ground for remanu-facture. The ingots are cast in molds withfire clay necks, which are varied in size withthe hardness of the metal, so as to be ableto get as great a length of the ingot soundas possible. A curious fact has been observed, that theingots contain somewh
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