North American Construction Company · North American Construction Company · leaf 134
KNOT PASS-ING PULLEY Large yokemade of mal-leable iron,with hardmaple sheave,6 inches indiameter.2 A -818 Each 18c … STEEL YOKEPULLEY Small yokes t e e 1 pulleyw i t h 6-inchwood sheaveand %-inchloose bushing. 2AS 16c
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