. Railroad structures and estimates . teturnout, together with their approximate cost for a No. 7 anda No. 9 turnout, is as follows: APPROXIMATE COST OF XO. 7 AND NO. 9 85-LB. TURNOUTS (SPRING FROGS). Items. New turnout. No. 7. Switch and frog material. .. $ rail and , gravel ballast, etc. ... Total cost com. in $ Relaying all newrail. No. 7. No. 9. $ $ $$ Relaying secondhand rail. No. 7. $ $ No. 9. $109 $ Deduct cr

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. Railroad structures and estimates . teturnout, together with their approximate cost for a No. 7 anda No. 9 turnout, is as follows: APPROXIMATE COST OF XO. 7 AND NO. 9 85-LB. TURNOUTS (SPRING FROGS). Items. New turnout. No. 7. Switch and frog material. .. $ rail and , gravel ballast, etc. ... Total cost com. in $ Relaying all newrail. No. 7. No. 9. $ $ $$ Relaying secondhand rail. No. 7. $ $ No. 9. $109 $ Deduct credit for any turnout removed. The use of a rigid in place of a spring frog will reduce the total figure ineach case by $ The rails of the frog are always made straight. The lead rail between the switch point and frog is curved toa circular arc which is tangent both to the switch rail and thewing rail. For itemized statement of the foregoing figures showing in de-tail how the totals are arrived at for the turnouts see, page u — TO o -g — t- ^s x: — - .-—1 c t *^ .— -^ 1 ^ I--) . ^n i^ |. l:-.

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