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Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 451
Fig. 3. m %^ Fig. 4.THE GIBBON DUPLEX STREET RAILWAY TRACK. cr: CT] Fig. 5. ^E ^O. 6 5tate-irnal. CK ^92. 3 andf themina- irs as:uliararate,load->nn ar, laid Jour. Frank. Iiisl., Io/. CXXXfll. June, iSgs {Kiport Com. Set. and Ihe Arh.) … THE GIBBON DUPLEX STREET RAILWAY TRACK.—FINISHED TRACK. TE rs. No. 6 ; state-ournal. ACK. 1S92. ce andof the amina- ion for. crt>ss->ars asecu liarparate,5 load-*orni aer. laid Join-. Frank. Inst., Vol. CXXXni. June, iSo. *l—nr (Report Com. Sci. and the Arts.)Science · Technology · Meteorology · Patents
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