. Report on the substitution of metal for wood in railroad ties . s-r-^ M r? 1 t-» w ^ O lOlft T-iin«= L- Ift cir 55 c= ■^ I- j^ 00 00 Ol 1-^ 0 0 fOi-i Ift ?. ^ C^ ^ inrr Tt ir CO i^^:-*^ xk 2 5? ^ !!-( Iji s j ■; a 1 o — 1 5 +i a ; )i i a ® ; c ® 1 a S•-3 III a 1 -*: -3 :^ S ^ c g © . ^ ; £ ■ a 2 G ■ -t-; ■ ? i 1 ^ 1 C~^ fc. - IT cl a v :i y -=2 ^ : ^§5^ ; .S ^ a «fe n i: J ■^2 s ! S ^J -y S ; - : V 7 § 10 s i t-^ ;£ ^■^ II ^ c^ s, S -IS^.- 0 e 1 i tZ S i a SrS §? ^ = 3 /i B ^ - ? a ^ ^^ _^ -^ i-? ^ ^ ^ ^ ^ ^ 0 Who T rt c: ST rt r ^ s c s S rt cJ u-S S cS 0 j £;r c H OC ^ H C OC ) C


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Keywords: ., bookauthorfernowbe, bookcentury1800, bookdecade1890, bookyear1890