Ads
related to: keller kkl 16 folding ladder stand with wheels and lift cart near me for sale
Search results
Results From The WOW.Com Content Network
A fork cart A hungry falcon cart. Hook carts such as the fork and falcon carts were used to pull down parapets and the top part of walls to make it easier for ladders to access. Once attached, 50 to 100 men took hold of a rope and pulled until the wall came down. They were used as early as the Three Kingdoms period, as mentioned by Chen Lin:
In 1960, it expanded into a stand-alone piling and ground improvement company and, in 1975, it acquired the German company Johann Keller and took on that name. [5] In 1984, Keller bought Hayward Baker Inc., a US ground engineering business. [6] In 1990, it was the subject of a management buy-out from GKN plc supported by Candover. [6]
Werner Co. was founded in 1922 by Richard D. Werner as "R. D. Werner Co., Inc.," which specialized in metal moldings.R. D. Werner Co., Inc. became a leader in plastics extrusion during the World War II restrictions on civilian metal usage.
John H. Balsley (May 29, 1823 – March 12, 1895) was a master carpenter and inventor, inventing a practical folding wooden stepladder and receiving the first U.S. patent issued for a safety stepladder in the year. He was born in Connellsville, Fayette County, Pennsylvania to George H. and Sarah (Shallenberger) Balsley. His father was also a ...
In addition to Sankey's original factory at Bilston, a new plant was established near Wellington, Shropshire, which was devoted to wheel production and known as GKN Sankey. [ 22 ] Meanwhile, by 1914, GKN's customers for sheet-steel vehicle bodies had also come to include Austin, along with Daimler , Humber , Rover , Star and Argyll .
The water ladder was built as an alternative to the paddle wheel to get around the problem that to lift water to a greater height, a bigger wheel is needed. [1] Despite the emergence of new pumps that operate on other principles, the water ladder remains an important tool as some of its other benefits are that they can be built and repaired easily at a very low cost.