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Scientific American, Vol. 17, No. 14 (October 1867) (1867)

leaf 4

An illustration from Scientific American, Vol. 17, No. 14 (October 1867), 1867, leaf 4
ary hal- foot-pounds, or nearly double the vis viva stated by the Pro- in the engraving is to obviate this necessity by permitting lucination of no less a mathematician than Admiral Golds- fessor. And in order to show still further to what extent the eye to note the progress of the work by a glance… … the parts. due to a royal birth, in the report to the Secretary referred to. This invention was made at the sug- BURGUM'S IMPROVED TRY-SQUARES. We have a few other mathematical acrobats on our list, gestion of a correspondent in the Scien- but as their summersaults were turned on another stage, we…

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