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Scientific American, Vol. 58, No. 6 (1888) (1888)

leaf 3

An illustration from Scientific American, Vol. 58, No. 6 (1888), 1888, leaf 3
ture of burnt taining a solution of bicarbonate of soda dissolved in July, 1887. At the period of its death, therefore, it water, with a valve in its bottom and pipes leading yellow ocher and borax, adding a little dissolved gum must have been at least 7 years old, and may have been tragacanth to… … DURANT’S FIRE EXTINGUISHER. locusts was very late, and it may be that, had the spi- and copper. In soldering steel, plenty of borax should der been strengthened by a few weeks’ generous feed- be used. while in the top portion of the tank a small vessel is ing previous to its last moult, it might…

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