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Scientific American, Vol. 96, No. 14 (1907) (1907)

leaf 4

An illustration from Scientific American, Vol. 96, No. 14 (1907), 1907, leaf 4
door is provided near the upper end with from a psychological. viewpoint of theory and practice to those long, wearisome delays to which he has here- this is much better than to be rudely aroused to the tofore been accustomed. There is over 6 inches more day’s activity by the clanging gong of a… … These bricks or plates are made from a periments, and as the result of numerous mixture of gypsum, with sawdust, coke- ‘A TIME-CONTROLLED PHONOGRAPH. investigations upon himself he became con- dust, or ashes. The following, according vinced of the verity of it, and in the end to the Bautechnische…

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