The little contrivance which is shown in the accompany ing engraving could be sold at a good profit for from 258. t 308. complete or can be put together by any one possessing a very moderate amount of electro-mechanical skill at even THE WELWITSCHIALABILIS. what we all lack most.], scientific american, 1879-02-22

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The little contrivance which is shown in the accompany ing engraving could be sold at a good profit for from 258. t 308. complete or can be put together by any one possessing a very moderate amount of electro-mechanical skill at even THE WELWITSCHIALABILIS. what we all lack most.], scientific american, 1879-02-22

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