Bicycle Appliances. Railway Improvements. PNEUMATIC SWITCH-THROWING ME Engineering. Electrical Improvements. Miscellaneous Contrivances. FLUSHING APPARATUSHenry Designs. NEW BOOKS ETC. than those of the past 'Businessix ana 'ersonal. line for each insertion ; about eight words to a line. Advertisements must be received at publication office ing week's issue. TO INVENTORS., scientific american, 1898-07-02
Bicycle Appliances. Railway Improvements. PNEUMATIC SWITCH-THROWING ME Engineering. Electrical Improvements. Miscellaneous Contrivances. FLUSHING APPARATUSHenry Designs. NEW BOOKS ETC. than those of the past 'Businessix ana 'ersonal. line for each insertion ; about eight words to a line. Advertisements must be received at publication office ing week's issue. TO INVENTORS., scientific american, 1898-07-02
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