Chicago : Engineering and Contracting Pub. Co. · leaf 79
.663.946 64 ENGINEERING & CONTRACTING Vol. XXXVI. No. 3. A Dragline Excavator with Walking Attachment. There has recently been put in operationin western Iowa a Page dragline excavatingmachine with an attachment for walking orsliding the machine along as the excavation A Review of Tunnel… … Fig. 1—View of Drag-Line Excavator with Walking Attachment. work progresses. The attachment was de-signed and patented by John W. Page,* andis intended for ditch work requiring a smallyardage per lineal foot where it is necessaryto keep the machine moving forward severalhundred feet in a day. .The…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
