Hemocytometer

Object Name:

Hemocytometer

Object ID:

1993.039.02.05

Creator:

Arthur H. Thomas Co. -- Manufacturer

Place of Origin:

Philadelphia, PA and Germany

Date:

circa 1930

Description:

Hemocytometer or blood-counting set, 14 pieces. With note inside, "Dr. William Colby, Pembroke". (NHMS 9)
1. Case. Green leather, velvet lined.
2. Diluting pipette. Glass tube, ivory mouthpiece, rubber tube, plastic closure.
"No. 95501 A.H.T. Co. PHILA U.S.A. / GERMANY". 5.25" long, 0.25" diam.
3. Rubber tube w/ ivory mouthpiece. (broken in 4.5" pieces)
4. Plastic closure. "A.H.T. Co / PHILA / U.S.A." 0.9" long, 0.6" wide, 0.4" deep.
5. Pipette, glass. Graduated marks, "90, 101". Stamped "No. 7570". 4.5" long.
6. Pipette, glass. Graduated marks "11" and "0.5". Stamped "No. 87485". 4.5" long.
7. Pipette, glass. Graduated marks "0.5", "1", and "11". Stamped "No. 83824".
4.25" long.
8. Plate. Celluloid, octagonal. In tissue paper. 1" x 1.4".
9. Plate. Celluloid, octagonal. 1" x 0.9".
10. Counting chamber. Rectangular glass plate. Etched "__ / NEUBAUER /
1/400 sq mm / 1/10mm deep", and "PAT MAY 24, 1927 / NOV. 1, 1927 /
MAY LEVY / U.S.A. / PHILADELPHIA / No ". 3" long, 1.25" wide, 0.9" deep.
11. Pamphlet. Paper. "TECHNOLOGICAL SERVICE / An improved TECHNIQUE /
for the / Counting of Blood Corpuscles, / BLOOD PLATELETS, CELLS IN /
CEREBRO-SPINAL FLUID AND / PUSS CELLS IN URINE. / Prepared
especially for use with / LEVY AND LEVY - HAUSSER / COUNTING
CHAMBERS / Published and Copyrighted, 1933 / by ARTHUR H. THOMAS
COMPANY / PHILADELPHIA, U.S.A. ...", 20 pages.

Material:

Glass
Leather
Ivory
Velvet
Rubber
Plastic
Celluloid

Dimensions:

H-7 W-4.125 D-1 inches

Provenance:

From the object collection of the New Hampshire Medical Society, including medicine bottles, doctor's kits, and other medical equipment used in New Hampshire, 18th through 20th century.

Credit Line:

Gift of New Hampshire Medical Society

People:

Colby, William

Subjects:

Medical equipment & supplies, Laboratories, Blood testing