Mohr Measuring Pipette
Mohr Measuring Pipette
Usage conditions apply
- Description
- The 19th-century German pharmacist Karl Friedrich Mohr developed calibrated pipettes like this these for transferring specific amounts of a liquid. The quantity transferred was measured by changes in the height of the liquid. Mohr pipettes were manufactured by the Kimble Glass Company at its factory in Vineland, New Jersey from at least 1920.
- By the mid-1920s, Kimble had a special line of "Kollegiate" glassware for high school and freshman college courses. This included two sets of Mohr pipettes. From 1959, Mohr pipettes were among the goods that could be purchased for use in high school biology and chemistry classes with matching funds from the U.S. federal government provided by the National Defense Education Act.
- This particular pipette was sold under the name Kimax 51, a trademark first used by Kimble Glass Company in 1963. Calibrated at a temperature of 20 degrees centigrade, it held up to 10 milliliters, with divisions to 1/10 of a milliliter. It is a Kimax -51 Model 37019, in a size M. The orange mark near the top identifies the size and helped in sorting glassware.
- Location
- Currently not on view
- Object Name
- pipette
- maker
- Kimax
- Physical Description
- glass (overall material)
- Measurements
- overall: 34.9 cm x 1 cm; 13 3/4 in x 3/8 in
- ID Number
- 1998.0020.09
- catalog number
- 1998.0020.09
- accession number
- 1998.0020
- Credit Line
- Jon B. Eklund
- See more items in
- Medicine and Science: Biological Sciences
- Sputnik
- Science & Mathematics
- Data Source
- National Museum of American History
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