Hydraulic dredging machine in which a revolving bucket wheel is used in excavating silt and san
Patent for a canal or ditch digging machine that has a carriage and a mechanism that draws the carri...
Condition: Good.; Title devised by cataloguer based on inscription on sleeve.; Part of Wolfgang Siev...
Condition: Good.; Title devised by cataloguer based on inscription on sleeve.; Part of Wolfgang Siev...
Patent for "an improved device for the excavation of material from the bottoms and sides of channels...
Patent for an improved dredging apparatus "and it consists in combining with the well known bucket c...
Patent for an improved rotary dredging-machine operated by adjustment from the engine through gearin...
Patent for a new and improved hydraulic excavator. This design "consists in combining a submerged pr...
Rotary bucket dredgers are used in various operations: dredging, mining, development of all types of...
Patent for an improved, simple, effective, and durable excavator meant to remove sand-bars. It consi...
Patent for a new and improved dredging machine. This design consists in "[t]he combination, with a b...
Patent for a cultivating machine that pulverizes colds of soil using a revolving cylinder of blades,...
Photograph of a 280-ton electrically operated dredging machine operated by the Garland Coal Co., 7 m...
Patent for "a dredger which shall in an improved manner co-operate with and utilize the current in r...
The machine (100) has a cutting head (24) mounted at a lower end of a vertical frame (22). The head ...
Introduction. Construction of engineering structures is impossible without building and road machine...
Patent for a canal or ditch digging machine that has a carriage and a mechanism that draws the carri...
Condition: Good.; Title devised by cataloguer based on inscription on sleeve.; Part of Wolfgang Siev...
Condition: Good.; Title devised by cataloguer based on inscription on sleeve.; Part of Wolfgang Siev...
Patent for "an improved device for the excavation of material from the bottoms and sides of channels...
Patent for an improved dredging apparatus "and it consists in combining with the well known bucket c...
Patent for an improved rotary dredging-machine operated by adjustment from the engine through gearin...
Patent for a new and improved hydraulic excavator. This design "consists in combining a submerged pr...
Rotary bucket dredgers are used in various operations: dredging, mining, development of all types of...
Patent for an improved, simple, effective, and durable excavator meant to remove sand-bars. It consi...
Patent for a new and improved dredging machine. This design consists in "[t]he combination, with a b...
Patent for a cultivating machine that pulverizes colds of soil using a revolving cylinder of blades,...
Photograph of a 280-ton electrically operated dredging machine operated by the Garland Coal Co., 7 m...
Patent for "a dredger which shall in an improved manner co-operate with and utilize the current in r...
The machine (100) has a cutting head (24) mounted at a lower end of a vertical frame (22). The head ...
Introduction. Construction of engineering structures is impossible without building and road machine...
Patent for a canal or ditch digging machine that has a carriage and a mechanism that draws the carri...
Condition: Good.; Title devised by cataloguer based on inscription on sleeve.; Part of Wolfgang Siev...
Condition: Good.; Title devised by cataloguer based on inscription on sleeve.; Part of Wolfgang Siev...