A TREATISE ON GAS-LIGHT

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for the poor man, who lights only six candles,or uses one lamp, if the apparatus is put up inthe cheapest way possible, will find it only costhim 10 /. or 12 1 . which he will nearly, if notquite, save the first year.”

Mr. Ackerman having, in this town, set theexample of lighting his establishment with gas,several other individuals soon followed the at-tempt. The following statement will show,that this species of light may be made use ofwith the greatest advantage, upon a still smallerscale, where no great nicety with regard to theapparatus for procuring gas is required. Thefollowing report I have received from Messrs.Lloyd, of Queen Street, Southwark, thimblemanufacturers and whitesmiths, who have usedthe gas-light for soldering and other purposesthese five years past.

From 4 pecks or l bushel of coals,weighing dQlbs. for which we nowpay ( 1809 ) is. we produce 4 \pecksof coke and ^ peck of coal not car-bonised remains in the distillingpot, which together with the cokeweighs 58lbs. 6 oz. value at is. perbushel - - - - 0 14