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2. Berry Brothers Bolt Works - Wikipedia

   en.wikipedia.org/wiki/Berry_Brothers_Bolt_Works

   The Berry Brothers Bolt Works is a former factory in Columbus, Ohio, United States. For more than a century after its 1888 construction, the factory produced machine tools using original equipment. The structure itself is one of Columbus' most prominent factory buildings, and it was named a historic site in its centennial year.

3. National Register of Historic Places listings in Columbus, Ohio

   en.wikipedia.org/wiki/National_Register_of...

   The city of Columbus is the location of 183 of these properties and districts, including all of the National Historic Landmarks; they are listed here, while the remaining properties and districts are listed separately. Another 3 properties were once listed but have been removed.

4. Bucyrus-Erie - Wikipedia

   en.wikipedia.org/wiki/Bucyrus-Erie

   3850-B power shovels for stripping, one built each in 1962 and 1964, with bucket capacities of 115 and 145 cu yd (88 and 111 m 3). 2570-W or WS, one of B-E's most popular dragline models with bucket capacities between 120 and 160 cu yd (92 and 122 m 3). Ursa Major at Black Thunder Coal Mine was reported to be the third largest dragline ever built.

5. Power shovel - Wikipedia

   en.wikipedia.org/wiki/Power_shovel

   Power shovels are a type of rope/cable excavator, where the digging arm is controlled and powered by winches and steel ropes, rather than hydraulics like in the modern hydraulic excavators. Basic parts of a power shovel include the track system, cabin, cables, rack, stick, boom foot-pin, saddle block, boom, boom point sheaves and bucket.

6. Excavator - Wikipedia

   en.wikipedia.org/wiki/Excavator

   Excavators are heavy construction equipment primarily consisting of a boom, dipper (or stick), bucket, and cab on a rotating platform known as the "house". [ 1 ] The modern excavator's house sits atop an undercarriage with tracks or wheels , being an evolution of the steam shovel (which itself evolved into the power shovel when steam was ...

7. Bucket-wheel excavator - Wikipedia

   en.wikipedia.org/wiki/Bucket-wheel_excavator

   A bucket-wheel excavator (BWE) is a large heavy equipment machine used in surface mining. Their primary function is that of a continuous digging machine in large-scale open-pit mining operations, removing thousands of tons of overburden a day.