. How to make and use electricity ... each board, four cells may be used at a time; or, by using eightbinding posts, two cells may be used at a time. Care, however,must be taken to connect the carbons with the zincs, otherwisethere will be no current at all. Figure 6 is taken from a pho-tograph ot a battery of this kind, which I use for lighting a 6-candle lamp; The tumblers are placed in a pine box 9 incheshigh, 14 1-2 inches long and 8 inches The hooks, E, are fastened to both sides of the top board,and are turned out at right angles to the board, whenever it 46 HOW TO MAKE AND is rai
. How to make and use electricity ... each board, four cells may be used at a time; or, by using eightbinding posts, two cells may be used at a time. Care, however,must be taken to connect the carbons with the zincs, otherwisethere will be no current at all. Figure 6 is taken from a pho-tograph ot a battery of this kind, which I use for lighting a 6-candle lamp; The tumblers are placed in a pine box 9 incheshigh, 14 1-2 inches long and 8 inches The hooks, E, are fastened to both sides of the top board,and are turned out at right angles to the board, whenever it 46 HOW TO MAKE AND is raised, so as to rest on the top of the box, thus keeping theelements out of the fluid and saving them from wascage. Thisshould always be done. C represents, a covered wire, whichconnects the electric lamp with the binding posts, F F. Alamp and stand of any candle power may be purchased for $ battery will burn two 2-candle lamps, four 1-candlelamps, eight 1-2 candle lamps, or one 6 candle lamp. Ifthe fluid is pretty fresh it will burn an 8-candlo lamp constantlyfor about one hour. After the battery has been made as de-scribed above, fill the tumblers almost full with the followingbattery fluid: Water, 2 quarts; common sulphuric acid, 6 oz.;bichromate of potassium, 8 oz. Add the acid to the water,and, after it has become cool, add the finely powdered bichro-mate of potassium. Whenever the battery is exhausted,^ newfluid must be made, as t
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectricity, bookyear
