. Report on the substitution of metal for wood in railroad ties . ft c^2 0^33 •SS^ sai ®«l 03 ® fH pa~ ■„ ■3 a S a i^ja a i^5 4;^>. 2^1 in 1! -^ O bX) t^*^ a a §2o a^ ® S 3 f^S-^ <b:«S 5^§ a-*^« gSS-n tM^TJ ^-C y^-f 1-.^ ?e§ «■§ 44 o o o c CO o o c 5 .1 o s := I. 45 _OJC Q « a .S w o > a? Ph O + + 5? ? o s: -W s « t- « *^ a ^ So ^ ;o5S 0 g ac » a) r-l 4) ® a a !» i: -■ ^ &; .5 cS 5^PhOOU GO PMOO C O OOP1OO -1 o « axi oCOOh-) 00 CClCO CJ(M fO i-5 S. =4 .1^ a o ® j:_5t Q i tn£ = >-. bt * >. a? - ^-z c; 2 ® a ,55 5-=■ ©.^ « s8ia 1-! -r. t4 -^ a ii >^ 0 51 1g !25 ;zi « 0 P
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Keywords: ., bookauthorfernowbe, bookcentury1800, bookdecade1890, bookyear1890
