Fifty years of progress : a sketch portraying with pen and brush the past and present of a successful business (1898)
William Mann Company · Philadelphia : W. Mann Co. · leaf 94
being provided for the purpose of a construction massive enough to resist the strain entailed in handling material of such tough and resisting character. The remainder of the basement, which extends out into the street beneath the pavement on the two environing streets, is devoted to the Power… … beneath the side-walk, are used, either of which has capacity to run the entire plant. The coal is weighed as it is delivered, and then deposited upon a level with the boiler-room floor. A Green engine of 120 horse-power furnishes the manufacturing departments with all the power required in running…
William Mann Company · Paper industry · Stationery trade · Printing industry · Blank-books
Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.
