Contractors' and Dealers' Association of California · San Francisco : L. A. Larson · leaf 491
r_ E. HARTSOUGH ROTARY DITCHER For Full Particulars A.<lclress Volute Ditching Machine Co. 404 Wells Farflo Express Bl<l0.SA.rM FRANCISCO, CA.L.. … .Machine uses Gasor Kerosene for fueland requires about21/2 gallons per hour.Cost of LubricatingOils is about half ofthe fuel cost. Twomen can operate theMachine, one mustbe a gas engine manand the other alal orer, and Machinecan be operated aswell at night as indaylight. Jevoted to the…
Architecture · Building · Construction industry · Engineering
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