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Scientific American, Vol. 96, No. 4 (1907) (1907)

leaf 15

An illustration from Scientific American, Vol. 96, No. 4 (1907), 1907, leaf 15
G. & W. A. Daw .. 841,638 Heating apparatus, J. H. eee! S eiuatahiat sate 841,107 Foot and Power : Razer, safety, F. H. Arneld...... » 841,304 less germicide, indorsed and success- erik “Tarree Luisthes, Phu Heating_system, steam, F. C. Gert. .. 841,389 Reducing wheel, F. L. Welfe..............… … Signal transmitter, recerding, R. A. Baldwin 841,105 841,343 ete., sent free Patents procured through sen SENSITIVE LABORATORY BALANCE Signaling, harmenic selective, W. W. Dean. 841,640 841,589 Line bhelder, J. Simen Munn & Co. receive free notice in the | Sleds, wheel runner fer, H. F. Castle ..…

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