White cardboard box, lid and base; contains ten glass vials; each a slightly different shade of colour standard Thymol Blue; each vial has a label near top; with maker name, and the pH level of that particular standard; vials separated by cardboard divider; tissue paper padding over top.
White cardboard box, lid and base; contains ten glass vials; each a slightly different shade of colour standard Thymol Blue; each vial has a label near top; with maker name, and the pH level of that particular standard; vials separated by cardboard divider; tissue paper padding over top.
Number Of Parts
12
Part Names
a - box base - Size: Length 18.8 cm. x Width 13.7 cm. x Depth 2.0 cm.
b - box lid - Size: Length 18.8 cm. x Width 13.7 cm. x Depth 2.0 cm.
c - vial: Thymol Blue pH 8.0 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
d - vial: Thymol Blue pH 8.2 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
e - vial: Thymol Blue pH 8.4 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
f - vial: Thymol Blue pH 8.6 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
g - vial: Thymol Blue pH 8.8 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
h - vial: Thymol Blue pH 9.0 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
i - vial: Thymol Blue pH 9.2 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
j - vial: Thymol Blue pH 9.4 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
k - vial: Thymol Blue pH 9.6 - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
l - vial: distilled water - Size: Length 12.0 cm. x Depth 0.5 cm. x Diameter1.6 cm.
Provenance
Colorimeter standards used for comparing pH of colours
Label on lid: LaMotte Standards / Thymol Blue / One Set // pH 8.0-9.6; labels to vials read: LAMOTTE STANDARDS // Thymol // Blue // pH // Made By // LAMOTTE CHEMICAL PRODUCTS CO. // BALTIMORE, MD
Permanent Location
Storage Room 0010
0010-F7-2
Condition Remarks
overall condition good; box slightly grimy; tissue paper padding yellowed and brittle
Copy Type
Original
Reference Types
Person
Book
Reference Comments
Dr. Wally Breck; Dr. Robert C. Wheeler; item cited in "Scientific Instruments, Laboratory Apparatus and Equipment," Central Scientific Company of Canada, Toronto, 1942, p. 435, item 21550L