Chicago : Engineering and Contracting Pub. Co. · leaf 359
industrial track being providedfrom the back of the cars direct to the mixerplatform so that two men can usually takecare of all the cement which is being intro-duced into the mixer. The batches at thepresent time are running in the neighbor-hood of 42 to the hour; however, when theplant is running… … Spur 6ear 33 Teeth ^20i D10 SprocKehlb • NO, Pmion 12 TeethPulley
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.