Text Search Expanded
Search for
Search results: 6 matches found for block
  1. Rubber — 2021-08-12 20:24:10
    …ancock's surprise, the shredded bits adhered into a solid mass of rubber that could then be pressed in molds into solid blocks or rolled into sheets. Hancock's masticator, which was perfected in 1821, made rubber manufacture commercially practic…
  2. Guillotine — 2021-08-09 22:22:29
    …es, standing 15ft tall. The cutting blade was axe shaped weighing 7lb 12 oz, attached to the bottom of a massive wooden block that slid up and down in grooves in the uprights. This was held up by a rope. Once the condemned prisoner had been secu…
  3. Plywood — 2021-08-08 18:44:16
    …ents == In 1791 he returned to England and took out his first patent for wood-working machines for sawing, planing and block-making. In 1793 Bentham took out what has been called //"one of the most remarkable patents ever issued by the British…
    … Patents Office"//, because it automated the whole process of woodworking machinery for making blocks. A Pulley block, at this time, was one of the British Navy's biggest expense. One ship might need 1500 pulleys all made by hand. His bl…
  4. Salicylic acid — 2021-08-08 18:32:13
    …hich it is unknown, unappreciated, or unavailable" Berton Roueché 1955^^ The drug works as a pain reliever because it blocks an enzyme that's required for the process of inflammatory response. Salicylic acid was discovered by the Greek physici…
  5. Cyclonic Vacuum Cleaner — 2020-08-15 09:18:21
    …ag [[Vacuum_Cleaner| vacuum cleaner]] was constantly losing suction. He noticed how dust quickly clogged the dust bag blocking the airflow, so that suction dropped rapidly. He thought he could improve this and set to work to solve this problem…
  6. Paternoster — 2018-09-18 13:06:34
    …land, the engineering firm of J & E Hall installed its first "Cyclic Elevator", using Hart's patent, in a London office block. The Paternoster became very popular in Europe where many still operate. Britain has a remaining paternoster in Sheffi…

The emblem of Rule Britannia
In History
The emblem of Rule Britannia
Who Invented?
Who Discovered?
Who Created?
The History of..

Tags: