Bauhaus-Universität Weimar

Titel:
L. E. Knott Apparatus Company: Scientific Instruments, Catalogue 26
Person:
Knott, L. E.
PURL:
https://digitalesammlungen.uni-weimar.de/viewer/image/lit13684/296/
SCIENTIFIC INSTRUMENTS 
291 
No. 6630 
STENCIL, HARCOURT IMPROVED. Consists 
of a flexible transparent plate with “ cut-outs ” 
representing outlines of various chemical utensils 
as illustrated. The ruling edges of the obtuse 
angle serve as convenient guides in drawing 
delivery tubes. One edge has a metric scale 
for dimensions. Recommended by prominent 
teachers of chemistry in that its use eliminates 
bad drawings, savës time, inspires the pupil, holds 
his attention and induces accurate thinking. . Each $0.16 
Per dozen 1.70 
6631 STENCIL CUT-OUTS, three sizes Flat Bottom Flasks, Erlenmeyer Flask, Bottle, Plain Beaker, 
Griffin Beaker, Thistle Top, Funnel, Evaporating Dish, Bunsen Burner, Crucible and Retort. Of 
transparent material, same shapes and sizes as cut-outs of stencil illustrated above. Per package of 
13 cut-outs..............................................................................06 
STERILIZERS 
No. 6637 No. 6642 
6637 STERILIZER, HOT AIR, of galvanized American Ingot Iron, single wall, has tubes extending from 
the bottom through the oven, passing up the four corners, insuring proper, even circulation of heat. 
Inside dimensions, 8X8 inches by 12 inches high..............................................$65.00 
6637A ----, inside dimensions, 10X10 inches by 16 inches high...................................... 70.00 
6637B--, inside dimensions, 12 X12 inches, by 18 inches high...................................... 77.50 
6640 STERILIZER, HOT AIR, of sheet iron, double wall with enclosed base and extra asbestos mat. 
Inside measurements, 10 inches high, 12 inches wide and 10 inches deep. Extreme height, including 
base, 2134 inches. With two shelves...................................................... 28.00 
6642 STERILIZER, HOT AIR, of sheet iron, double wall, outer wall covered with asbestos. Heated by 
a row of small Bunsen Burners around the sides of the base, insuring an even circulation of heat. 
The air is introduced through openings on each side. Inside dimensions, 19 inches high, 12 inches 
wide, 9J4 inches deep. With three shelves................................................. 51.00
        

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