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An investigation of the various properties of sand as affecting its use in concrete and mortar . I IP I I « $ 4C/£>.>9M fi(f /cfaa/sy >•-? 49. I it I 5 § 50 . ::: :-? IV -. .? ? i^V r-- ?•: ? ?:_ ?ril ? - ? t • ;,::? - -T r. ^? - .}.? -rr :Tr. \ •J.;/. 7^.~l. ;^r;;- -. i--- .:.-. .;- ?.-:? ..-^? -•r ..- :: 1.;. Z-^1 V::l _ ^- , -:? w -:?? . .I ^?.^, .. .. ••;.:? -? ? If^ ? .:-:? ;:H : : -J ,-* ??;-. ?,:.,.- ~ ? ,.::; .... -. --?: ;rr -;- -• ? 1 ? ..;:y: ; 1-. ?- ix: ? 1;: I V^ ~1 ?-•^ V:.:r :? . . - Tt .? V- r+ ; ? ^::- --:; ^I:-- ^r - . 1 • • --1 ?? r L,. rr-- t-^- -?-t :-? TT- ^4^» :: r? :.-^: .i ;? .i^T, 1 -: ::: -Sr ; L ...v - t- ^?••j.: u!.,^ ::[? {Ji. y: -y: -^:;; ; ::]r. iTJ : - . t rL: -^-^: !T|~ ?? •.s::: .:?? k-^ -?; f - .^r T: t I 1 • -;- - ^- -J. -
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Keywords: ., bookcentury1900, bookdecade1910, bookidinvestigatio, bookyear1916
