Humboldt State University ® Department of Chemistry Robert A. Paselk Scientific Instrument Museum The Chemical Refractometer 1874 - 1970 Richard A. Paselk, Curator Refractometry has been a major tool in the chemical laboratory to determine concentrations of solutions and as an aid in identifying unknown substances since the late nineteenth century.
Shaking assbly for Reaction vessel Heated Shaker 4 3/8in 1600W Superpressure This is a shaking and heating assembly made by the Superpressure Division of American Instrument Company (now Newport Scientific), model 40-14135. We powered up the motor and the shaker operated quietly and very well. This is in good used condition with some minor cosmetic paint blemishes.
Laboratory burrte Support Stand Set Healthcare,Life Science Lab Supplies Clamps Cast iron stand base is 5" x 8" Pole length is 20" 9 1/2" burrte Clamp with 2 1
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