EASUREMENT OF POWER.—BY G. tained in SCIENTIFIC AMERICAN SUPPILEMENT, No. 810 Walnut st., Philadelphia, Pa., U. 8. A. 979. Price 10 cents. To be had at this officeand trom accompanying each map, giving the names of the prin- D. Hiscox, M.E. <A description of several improved Now ready. Plate and… … e e My 12,500 Receipts, Price $5. The CAPO-FARAD is the smallest Battery of its Sy, ] e 3 Useful, Beautiful and Cheap. power ever made. Requires neither care nor attention. Bound in Sheep, $6. Haif-Morocco, $6.50. Not affected by climate. Always ready, and mails under a 2c. stamp. rice. S1.15 each,…
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