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Scientific American, Vol. 64, No. 25 (1891) (1891)

leaf 7

An illustration from Scientific American, Vol. 64, No. 25 (1891), 1891, leaf 7
c., to the mortar, besides the certain they are only held together by the tenacity of the mor- ‘inch. From it the owner expects to irrigate his farin fact that the mortar will yield until it has set hard, tar, which is very seldom an equivalent for a proper of 800 acres. bond of stone. Masons are… … stated that they had no feeling of stillin half a car length. There is drowsiness or depression during the no rocky motion, no jarring. The day. In no case was it noticed cars run as smoothly and with ap- that a craving for the drug was developed, although in and if the stone be the more durable…

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