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Scientific American, Vol. 87, No. 8 (1902) (1902)

leaf 4

An illustration from Scientific American, Vol. 87, No. 8 (1902), 1902, leaf 4
Our engraving shows the machine handling a heavy enough for the purpose, and soon broke or tree 1 foot in diameter and 30 feet long. This, how- rusted away. Heavier tape is now used with better ever, does not illustrate the full capacity of the lifter, results; but a prejudice once formed is hard… … on these walls and they act to reflect the rays back It is evident, of course, that a large through a condensing lens, #. A transparent lantern hole has been left in the place which slide, F, when placed before the lens, #, intercepts the roots of the tree occupied, a hole probably larger the rays…

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