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It was established by Frank E. Wood in 1919 in Pennsylvania. [2] Metal or tinplate toy trucks, cars and airplanes were their specialty. However, they made various other mechanical and lithographed toys as well. [3] [4] The Girard Model Works operated from the early 1920s to 1934, making various metal toys, vehicles and trains.
The 2.25-tonne bearing supports a water turbine and electric generator with a rotating mass of about 165 tonnes and water turbine pressure adding another 40 tonnes. The bearing has been in nearly continuous service since 1912, with no parts replaced. The ASME reported it was still in service as of 2000. As of 2002, the manufacturer estimated ...
Also, the tortuous S-shaped path the water is forced to follow offers a significant obstruction to the flow. For high pressure domestic water systems this does not matter, but for low pressure systems where flow rate is important, such as a shower fed by a storage tank, a "stop tap" or, in engineering terms, a "gate valve" is preferred.
Glutaraldehyde is an organic compound with the formula (CH 2) 3 (CHO) 2.The molecule consists of a five carbon chain doubly terminated with formyl (CHO) groups. It is usually used as a solution in water, and such solutions exists as a collection of hydrates, cyclic derivatives, and condensation products, several of which interconvert.
Pierre-Simon Girard (4 November 1765 – 30 November 1836) was a French mathematician and engineer, who worked on fluid mechanics. Girard was born in Caen . A prodigy who invented a water turbine at the age of ten, he worked as an engineer at the École Nationale des Ponts et Chaussées .
The average household size was 2.69 and the average family size was 3.06. In the township the population was spread out, with 27.7% under the age of 18, 7.9% from 18 to 24, 30.4% from 25 to 44, 22.8% from 45 to 64, and 11.1% who were 65 years of age or older. The median age was 35 years. For every 100 females, there were 98.2 males.
Girard is located in western Erie County at (42.005954, -80.321481 It is bordered to the northwest by the borough of Lake City and on all other sides by Girard Township . According to the United States Census Bureau , the borough has a total area of 2.4 square miles (6.1 km 2 ), of which 0.02 square miles (0.05 km 2 ), or 0.81%, is water. [ 9 ]
Iodine, methyl iodide, and 1,2-dibromoethane are common activating agents. The use of 1,2-dibromoethane is advantageous as its action can be monitored by the observation of bubbles of ethylene. Furthermore, the side-products are innocuous: Mg + BrC 2 H 4 Br → C 2 H 4 + MgBr 2. The amount of Mg consumed by these activating agents is usually ...