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An apparatus for measuring volumes of small objects such as tissue blocks is described. The apparatus measures volumes by fluid displacement and consists of a micropipette adapted to fit the month of an Erlenmeyer flask, a Luer adaptor fused to the side of the flask, and a glass syringe. When assembled with fluid enclosed, the fluid rises to a low level in the micropipette. Withdrawal of fluid into the syringe lowers the fluid level below the mouth of the flask. The micropipette is raised, the object to be measured is placed in the flask, and the micropipette is joined to the flask again. Fluid returned to the flask from the syringe rises to a higher level in the micropipette. The difference between the two fluid levels equals the volume of the object measured. This apparatus gives reproducible measurements and can be calibrated for absolute volume determination. It is inexpensive to construct and easy to use.
G S Nettleton, and
L J Hattel
January 1941,
Science (New York, N.Y.),
G S Nettleton, and
L J Hattel
September 1965,
Voenno-meditsinskii zhurnal,
G S Nettleton, and
L J Hattel
July 1929,
The Journal of general physiology,
G S Nettleton, and
L J Hattel
February 1953,
The Journal of pharmacy and pharmacology,
G S Nettleton, and
L J Hattel
January 1967,
Annales de biologie clinique,
G S Nettleton, and
L J Hattel
February 1952,
Science (New York, N.Y.),
G S Nettleton, and
L J Hattel
April 1961,
LA [reports]. U.S. Atomic Energy Commission,
G S Nettleton, and
L J Hattel
January 1968,
Padiatrie und Grenzgebiete,
G S Nettleton, and
L J Hattel
January 1963,
Arkhiv anatomii, gistologii i embriologii,
G S Nettleton, and
L J Hattel
November 1927,
Science (New York, N.Y.),
