104

GAS-LIGHT.

, GALVANO-PLASTIC is the German name of Flectro-M elallurgy.

GARANCINE, an extract of madder by means of sul-phuric acid, prepared in France .

GAS-LIGHT. Since the former edition of this work Ihave received fromMr. Hedley, anengineer of greateminence and ex-perience, plans anddrawings of gasworks and of ap-paratus of themost approved andmodern construc-tion, and on thevery largest scaleas to extent ofbusiness or manu-facture ; also plansand drawings ofa gas work on a

smaller scale, with ,

its corresponding • >*

apparatus. In the 1first,or large work,purification by wetlime, before des-cribed, is used; inthe latter, by drylime.

The large workreferred to is cal-culated for and isarranged to con-tain 400 retorts,

12 wet-lime puri-fiers, & 2 washers;

12 large doubleor telescopic gas-holders, capable ofstoring 1,000,000'cubic feet of gas;and coal stores ca-pable of holding10,000 tons of coal..

The smaller workis calculated forand will contain 40retorts, 2 dry limepurifiers, and awash vessel; 2

gasholders capableof storing 50,000cubic feet of gas ;and coal storessufficient for 1000tons of coal.

Fig. 52 is theside elevation(front view) ofa gas work capa-ble of containing400 retorts, andall their depend-encies.