Scientific American Volume 77 Number 07 (August 1897) . OQflHIH TAKEN ^i (APTIVE ;?]:: ??,????:., ;* , .j m ??lM,UhU ? %;, wmiMr^ H^QnBSH^^HEHhkp^^^^T^ m H^MBKSi3aBBKKWMi it- MANUFACTURE OF BICYCLES. —A very comprehensive article givlnK the details of con-struction of every part of these vehicles. With 15 en-gravings. Contained In Scientific American Sup-plement, No. 908. Price 10 cents. To be bad at thisoffice and from all newsdealers. Which woiddyou reljon? We make our PIONEER Tube of Fifty Carbon Steel .50%CARBON STEEL .25%CARBON STEEL ^a- Wblle Weight vob Weight Id a Bicycle our FIFTF CAKB
Scientific American Volume 77 Number 07 (August 1897) . OQflHIH TAKEN ^i (APTIVE ;?]:: ??,????:., ;* , .j m ??lM,UhU ? %;, wmiMr^ H^QnBSH^^HEHhkp^^^^T^ m H^MBKSi3aBBKKWMi it- MANUFACTURE OF BICYCLES. —A very comprehensive article givlnK the details of con-struction of every part of these vehicles. With 15 en-gravings. Contained In Scientific American Sup-plement, No. 908. Price 10 cents. To be bad at thisoffice and from all newsdealers. Which woiddyou reljon? We make our PIONEER Tube of Fifty Carbon Steel .50%CARBON STEEL .25%CARBON STEEL ^a- Wblle Weight vob Weight Id a Bicycle our FIFTF CAKBON Steel win laBi bo long and TWENTY-FIVE CARBONT Steel will last only so long ^^??^?M NOTE THE FULL IMPORT OF THE PARALLEL LINES. The comparison which they ftrapblcally make Indicates the result of tbe prolonged investlga-tiODs of the most practical experts of the world. That tbe tests in our own laboratory corroboratetheseresultslsmerely so much to its credit;that the same is true of actual trial oh the road equally Prove
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectdevice, booksubjecttb
