Rockwood / Kingston Psychiatric Hospital / Providence Continuing Care Centre Collection
Category
Basic Science Artifacts
Classification
Basic Science, Chemistry
Accession Number
000003143 a-b
Description
The burette clamp (a) consists of a flat metal bar with a two-pronged clamp at each end; the clamp is made from black painted metal; there is a round, threaded hole bisecting the bar to accomodate bolt (b); a short, metal cylinder surrounds the opening of this hole on the top side of the clamp; two…
The burette clamp (a) consists of a flat metal bar with a two-pronged clamp at each end; the clamp is made from black painted metal; there is a round, threaded hole bisecting the bar to accomodate bolt (b); a short, metal cylinder surrounds the opening of this hole on the top side of the clamp; two fenestrated five-sided arms extend downwards on either side of the midpoint of the bar; the clamps at either end consist of a narrow clamping rod, working against a heavy spring; a curved arm extends on either side of the clamping rod to secure the burette in place; there is a rubber band encircling the working end of both clamping rods; bolt (b) consists of a round, threaded metal rod, with a flat end, and a flat, circular turning grip at the top.
Number Of Parts
2
Part Names
a - burette clamp - Size: Length 20.2 cm x Width 9.5 cm x Depth 6.6 cm
b - bolt - Size: Length 5.4 cm x Width 2.3 cm x Depth 0.7 cm
Provenance
Used at the Kingston Psychiatric Hospital
Maker
Fisher
Dates
1942
circa 1942
Date Remarks
Similar to image in 1942 catalogue
Material
metal: silver; black; yellow
rubber: black
Inscriptions
"FISHER // PGH-PA" is stamped into the metal on the top side of the clamp, encircling the bolt hole in the middle bar.
Permanent Location
Storage Room 0010
0010-F7-3
Condition Remarks
The burette clamp arrived very dusty; inactive corrosion covered approximately 50% of the proper right clamp, on both the top and bottom surfaces; a white deposit, 4.5 cm x 2.9 cm, covered the central portion of the bottom surface, surrounding the bolt; both rubber bands are cracking and deteriorating; both clamps move freely, and the bolt shows no signs of corrosion; there are several scratches on most components, showing signs of wear.
Copy Type
Original
Reference Types
Book
JPG
Reference Comments
"CENCO Scientific Instruments Laboratory Apparatus and Supplies," Catalog JC-141, Central Scientific Co. of Canada, 1942, p. 130 (similar to item #12116) (see attached photocopy); CD #4
Research Facts
For holding two burettes perpendicularly parallel at the proper separation for the greatest convenience in making titrations.