compound duplex pump en
1duplex pump — noun : a pump with two cylinders; especially : one whose plungers are driven directly by the piston rods of a compound steam engine * * * a pair of direct acting steam pumps so arranged that each pump begins its working stroke just as the other… …
2Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …
3List of Edison patents — Below is a list of Edison patents. Thomas Edison was an inventor who, it is said, accumulated 1500 plus patents worldwide for his inventions. Nearly 1100 of Edison s patents were in the United States, but other patents were approved in countries… …
4Science and invention in Birmingham — Birmingham is the second largest city in the United Kingdom. It is one of the country s principal industrial centres and has an impressive history of industrial and scientific innovation.16th century1547: Although no record is kept to indicate… …
5Myocardial perfusion imaging — Intervention Nuclear medicine myocardial perfusion scan with Thallium 201 for the rest images (bottom rows) and Tc Sestamibi for the stress images (top rows). The nuclear medicine myocardial perfusion scan plays a pivotal role in the noninvasive… …
6Doppler echocardiography — Intervention Mitral valve MeSH …
7Computed tomography of the heart — Intervention ICD 9 CM 87.41 OPS 301 code: 3 224 …
