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Scientific American, Vol. 67, No. 20 (1892) (1892)

leaf 4

An illustration from Scientific American, Vol. 67, No. 20 (1892), 1892, leaf 4
that excellent results spring catch, s, is pressed, when the cap, 7, flies open ; pleasing is that taken when he was a youth of 22 had already been obtained, and that they could recom- then the button, p, is pushed, opening the shutter in years, painted by Sir Thomas Lawrence, an engraving mend the… … Miscellaneous expenses...... $40,910,405 (ay nan acid, 10 per cent of sulphate of soda, and sufficient Cost of materials ............ $408,328,226 $289,045.599 41°27 color to give the shade; rinse, and, if necessary, add Value of product..........5 $693,048,702 $500,376,068 38°51 more acid, as the…

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