microscope objectives and cup diaphragms
Date1870-1880
Inventory Number1998-1-0584a
ClassificationMicroscope Objective
Subject
Maker
E. Hartnack & A. Prazmowski
1870 - 1898
Cultural Region
Place of Origin
Dimensionscase: 3.6 × 7.4 × 5.3 cm (1 7/16 × 2 15/16 × 2 1/16 in.)
blue board box: 5.1 × 13.7 × 10.8 cm (2 × 5 3/8 × 4 1/4 in.)
blue board box: 5.1 × 13.7 × 10.8 cm (2 × 5 3/8 × 4 1/4 in.)
Material
Description1998-1-0584 are two sets of Hartnack objectives with cup diaphragms.
1998-1-0584a has serial no. 20266.
1998-1-0584b has serial no. 20277
Each case is made of wood covered in faded black leather. The interior of the lid is padded purple silk. The hinges have purple ribbons covering some of the brass hardware. The box bottom is lined with cardstock covered in purple silk. The objectives and cup diaphragms are set into a wooden block.
The block stamped 20266 has three objectives marked 2, 4, and 7, and sit in sockets marked 2 (in pencil), 4, and 7. There are 3 cup diaphragms in a row in front.
The block marked 20277 has two objectives: 5 (in an unmarked socket) and an F 1 1/2 v/v in a blued mount signed by Hartnack & Prazmowski. It sits in a socket marked 4. The rest of the openings are empty.
1998-1-0584a has serial no. 20266.
1998-1-0584b has serial no. 20277
Each case is made of wood covered in faded black leather. The interior of the lid is padded purple silk. The hinges have purple ribbons covering some of the brass hardware. The box bottom is lined with cardstock covered in purple silk. The objectives and cup diaphragms are set into a wooden block.
The block stamped 20266 has three objectives marked 2, 4, and 7, and sit in sockets marked 2 (in pencil), 4, and 7. There are 3 cup diaphragms in a row in front.
The block marked 20277 has two objectives: 5 (in an unmarked socket) and an F 1 1/2 v/v in a blued mount signed by Hartnack & Prazmowski. It sits in a socket marked 4. The rest of the openings are empty.
Signedon blued mount objective marked F. 1 1/2 v/v: HART ET PRAZ
ProvenanceDr. Mark D. Altschule, Harvard Medical School; gift to CHSI, 1968.
Historical AttributesA label by Ebenezer Gay reads as follows: "From Dr. Mark Altschule 5 December 1968 / 2 Hartnack lens boxes serial numbers 20266 and 20277. Probably from the group of microscopes bought by Harvard Medical School in 1880 for the first class-- / See microscope no. 1150."
E. Hartnack & A. Prazmowski
Date: 1870-1880
Object number: 1998-1-0584b
E. Hartnack & A. Prazmowski
Date: circa 1870
Accessories: objectives (7): 1, 2, 4, 5, 7, 9,10 in fitted box ; eyepieces (4): 1, 4, 5, 6; cup diaphragms (4); polarizer set; bull's eye condenser on stand; Oberhaeuser-style camera lucida; tweezers; substage rotating wheel diaphragm attached to holder with blue glass filter; substage glass filter holder with blue glass filter; substage condenser; dual nosepiece, Hartnack 1/100 mm stage micrometer; flat case; key; magnification table; price lists (2).
Object number: 1080
E. Hartnack & A. Prazmowski
Date: circa 1880
Accessories: objectives in green leather box (5): 2, 4, 6, 7, and unmarked; objectives in brown box (2): 2, 3; oculars (5); 1, 2, 3, 4, 5; polarizing eyepiece and substage apparatus; substage condenser; substage cup diaphragms (4); slider with sleeve to hold substage accessories; large bull's eye condenser with stand; aperture-stop rotating wheel; blue filters (3); flat case; case keys (2).
Object number: 1145a
E. Hartnack & A. Prazmowski
Date: 1874-1881
Accessories: objectives in box (3): 7, 9, convertible 4; oculars (4): 2, 3, 4, 5; bull's eye lens; cup diaphragms (3); dissecting needles (3); case; key.
Object number: 1195
Constant Vérick
Date: circa 1875
Accessories: oculars (3): 1, 2, 3; objectives (7): 0, 2, 4, 6, 8, 10 water immersion (2); substage stops (3); condenser with aperture diaphragm wheel on dovetail slide; bullseye; revolving double nosepiece; spatula; blue glass filter; case; and key
Object number: 1012
Carl Reichert
Date: circa 1879
Accessories: 5 objectives: Hartnack # 4, 7, 8, No. II Hom. Imm. No. 2 in Hartnack case; Homog. Oil immersion by Reichert in own case. 2 oculars: 2, 3; 2 disc diaphrams, 3 cup diaphrams which fit in sliding plate, sliding plate and holder for diaphrams; condenser; revolving nose piece; extra frame for mirror on slider; fitted case; key to case.
Object number: 1077a
Constant Vérick
Date: circa 1885
Accessories: objectives (2): 2, 7; objective box; spare nosepiece; oculars (3): 1, 2, 3; ocular that is too small: 0; dissecting needles (2); tweezers; flat case; key.
Object number: 1034
Carl Zeiss, Optische Werkstätte, Jena
Date: circa 1886
Accessories: oculars (2): Leitz 4xB, Winkel Zeiss kl 2; objectives (4): Leitz 7, 1/7a oil immersion, Zeiss B, HI 90 iris, B&L 8mm, 1/5, Grunow 1/6; B&L double nosepiece; parabolic reflector for stage; Abbe condensor with iris-cylinder diaphragm; articulated substage mirror; frame for cup diaphragms; cup diaphragms (2); Zeiss-B&L polarizing analyzer A6; Zeiss-B&L vertical illuminator; flat case; key.
Object number: 1044
Camille Sébastien Nachet
Date: 1845-1850
Object number: 1081b
Andrew Pritchard
Date: 1835-1840
Accessories: objectives (4); oculars (6); lieberkühns (4); stage forceps; bull's eye condenser on stand; spring stage; extra mechanical stage; polarizer; cup diaphragms and holders; substage fork mount; live box; glass troughs (2); concave glass; fish tube holder; case; 2 keys. See also slide micrometers (2) (1088b,c)
Object number: 1088a
Boston Optical Works
Date: 1860-1890
Accessories: Three dated Tolles objectives: 1/2" Nov. 18, 1860, 1/4" Dec. 23, 1877, 1/5" Oct. 28, 1868; 1 high power solid eyepiece, 1 low power normal eyepiece; polarizer; substage mirror; mechanical stage, standing case.
Object number: 1066