. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . The Leschen Two-Bucket or Oscillatingsystem, sometimes called Jig-back, is usedextensively for short lines. Althoughsometimes built as a power driven tram-way, its more general use is where gravityoperation is possible. The Leschen SingleSpan Gfavity Two-Bucket Tramway, asdeveloped for coal handling in the moun-tain regions of Pennsylvania, West Virginiaand Kentucky, is a really remarkable ma-chine, being so simple in design

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. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . The Leschen Two-Bucket or Oscillatingsystem, sometimes called Jig-back, is usedextensively for short lines. Althoughsometimes built as a power driven tram-way, its more general use is where gravityoperation is possible. The Leschen SingleSpan Gfavity Two-Bucket Tramway, asdeveloped for coal handling in the moun-tain regions of Pennsylvania, West Virginiaand Kentucky, is a really remarkable ma-chine, being so simple in design and sosturdy in construction that its operation isa real pleasure. The cost of handling coal with one of. ^..^r i^

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Keywords: ., bo, bookcentury1900, bookdecade1920, booksubjecthoistingmachinery