comparator?
Datelate 19th-early 20th Century
Inventory Number3921
ClassificationGlassware
Subject
Maker
American
?
Cultural Region
Dimensions15.4 x 24.3 x 2.2 cm (6 1/16 x 9 9/16 x 7/8 in.)
Material
Accessoriesindicating paper in tubes
DescriptionWooden frame that holds 10 closed tubes containing indicating paper.
Signedunsigned
FunctionMay be for the visual comparison of chemical solutions and their pH.
American
Date: late 19th-early 20th Century
Accessories: indicating paper in tubes
Object number: 3922
French
Date: 1850-1890
Accessories: set includes: brass stand base; T-shaped tube; hollow tube with side neck; tube with ring stands; brass holder for two thermometers; one thermometer; glass tubes with brass bottoms (2); felt lined, fitted case
Object number: 3825
Isaac Adams, Jr.
Date: 1865
Accessories: stored in modern cardboard tube with cotton wool. square wooden box, unmarked, with a sliding cover;
a small, approximately 2"x3" cardboard box, used for shipping, with postage indicating its use in 1930, from Daniel Lowe & Co., Salem, Massachusetts, to Mrs. R. Adams, Antisquam, Massachusetts.
Object number: 1997-1-1949
C. Baker
Date: circa 1900
Accessories: ocular: no. 3; dual nosepiece; condenser with iris diaphragm; short test tubes (3); glass slides (15); horizontal leather case.
Object number: 1307
English
Date: 1730-1740
Accessories: objective: 5; opaque attachment; ivory slide; wet cell preparation slide: forceps with steel needle; chamois; glass tubes; case.
Object number: 1170
American
Date: early 20th-early 21st Century
Accessories: 19 test tubes of different sizes.
Object number: 1997-1-1963
Lerebours et Secretan
Date: 1845-1855
Accessories: 2 convertible objectives; 3 nosepieces; 1 larger objective; 1 ocular; right-angled and straight tubes; mechanical stage; dissecting set; mechanical stage; case with drawer.
Object number: 1220
National Electric Instrument Company, Inc.
Date: 1920-1940
Accessories: in drawer: cautery pistol with cord and plug (1), cauterizing points (8) (two cauterizing points in plastic tubes, six without plastic tubes, and two empty plastic tubes)
Object number: 2009-1-0049
Radium Chemical Company
Date: circa 1900
Accessories: metal needles (2); black rubber tubes with one conical end (5); large black pellets with small metal tubes protruding from the center (2); brown rubber tubes (4); dumbbell-like objects (2); small black caps (4); large black objects with rectangles gouged out of them (2); black cylindrical canisters (4); a metal tube with a screw top; and a bucket of misc. objects
Object number: 1998-1-0115
VWR Scientific
Date: 1966-1974
Accessories: box base; box cover; glass tubes individually wrapped in paper
Object number: 1996-1-0441
Hermann & Pfister
Date: circa 1872
Accessories: pine box; instruction manual; glass tubes (2); open-ended tube; gas lamp (DW0854b)
Object number: DW0854a
American
Date: early 20th-mid 20th Century
Accessories: 12 test tubes; 2 corks; wooden rack
Object number: 1997-1-1528
See also/See also
