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Scientific American, Vol. 17, No. 11 (1867) (1867)

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An illustration from Scientific American, Vol. 17, No. 11 (1867), 1867, leaf 0
ements in weigh- hand tever is held back and the horizontal or foot lever is that all lamps will explode the gas when the mixture is suf- ing apparatus for the ordinary purposes of retail trade yet allowed to govern itself, asin the engraving. If the rake, ficiently strong.—London Mechanics’… … use. Still, as applied to weighing appara- tus for ordinary traffic the spring balance Cuba has been successfully laid and is now in ~ has proved very reliable. The weighing operation. The rates of tolls adopted by the FRANKLIN’S SUSPENDED LEVER SCALE. scale represented in the engraving works…

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