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Harvard Apparatus was founded in 1901 by William Townsend Porter, a physiologist at Harvard Medical School.Frustrated by the lack of high quality and cost-effective equipment then available, Porter began manufacturing physiology teaching equipment in a machine shop that he created on the medical school campus.
"US Patent 3,061,280. JA Kraft, HD Scientific Industries, Inc. Apparatus for mixing fluent material". USPTO </ref> An alternative to the electric vortex mixer is the "finger vortex" technique in which a vortex is created manually by striking a test tube in a forward and downward motion with one's finger or thumb. This generally takes longer and ...
This category is for companies manufacturing equipment for use in laboratories. Pages in category "Laboratory equipment manufacturers" The following 27 pages are in this category, out of 27 total.
General laboratory stands, racks, filter paper, reagents, etc. Induction coils: as a source of high voltage electricity Cathode ray oscilloscope ' Recording kymograph: historically, used in human or animal experiments to measure and record data Long extension kymograph: historically, used in or human animal experiments to measure and record data
In the mid 1940s they had a location at 220 E. 23rd Street, New York 10, N.Y., and were listed as Laboratory Apparatus & Chemicals. A plastic ruler from that time shows the "E" award. Products
Test Tube Rack. Test tube racks are laboratory equipment used to hold upright multiple test tubes at the same time. They are most commonly used when various different solutions are needed to work with simultaneously, for safety reasons, for safe storage of test tubes, and to ease the transport of multiple tubes.