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/lit13684/285/
280 
L. E. KNOTT APPARATUS COMPANY 
No. 6295 
6248 OIL STONE, high grade, an excellent stone for scalpels...................................... 
6255 OIL TESTER, Cleveland Open Fire Tester, for high grade lubricating oils. Made of very heavy 
copper and brass casting, nickel-plated................................................... 
6256 OIL TESTER, ELLIOT’S, POLISHED COPPER for flash-point determinations, adopted as stand¬ 
ard by the States of New York, New Jersey, Iowa, Michigan, and in general use everywhere..... 
20-215 OSMOSIS APPARATUS, STUDENTS’, for qualitative as well as quantitative work in osmosis. 
The apparatus consists of an osmosis tube of design illustrated, held adjustably in a nickel-plated 
clamp which may be clamped to the side of a jar. One end of the osmosis tube is closed by a thin 
porous membrane which may be removed and replaced from time to time as needed. 
Apparatus complete as illustrated.......................................................... 
6268 OVERSLEEVES, chemical and water-proof, ample in size, readily adjusted to both sexes.. . . Per pair 
5134 PANS, AGATE WARE. a b c 
Dimensions, inches 634X134 7X1% 834X2 
Capacity, quarts J4 1 2 
Each $0.35 .45 .60 
6280 PAPER, SAND. a b c 
Fine Medium Medium Coarse 
Per dozen sheets $0.30 .35 .45 
PAPER, FILTER. See Filter Paper. 
6285 PAPER, GLAZED, for use in laboratory, in color reactions. 
a b c 
Color White Black Blue 
Per quire , $1.00 1.00 1.00 
5780 PAPER, LITMUS, red, in sheets..................................Per sheet $0.10 Per quire 
5781 PAPER, LITMUS, red, in books of strips..........................................Per book 
5782 PAPER, LITMUS, blue, in sheets...................................Per sheet .10 Per quire 
5783 PAPER, LITMUS, blue, in books of strips.........................................Per book 
6290 PAPER, PARCHMENT, best grade of vegetable parchment.........................Per sheet 
6990 PAPER, TUMERIC...............................Per book $0.10 Per sheet .10 Per quire 
6291 PENCIL, DIAMOND , for etching on glass and marking on metal. Made from a good-sized diamond. 
Will be found unusually handy in laboratory or tool room. (For illustration see page 230)..... 
6292 PENCIL, INDELIBLE, for marking glass utensils........................................... 
6789 PENCIL, LITMUS..................................................................... 
6295 PETRI DISH HOLDER, POLISHED COPPER, with inside tray to lift out. Size 9 inches high 
by 434 inches diameter................................................................. 
6297 PHOTOSYNTHESIS APPARATUS. (See National Biology Direction Sheets, Exp. F53)...... 
PINCHCOCKS. See Clamps. 
6300 PINS, INSECT, special, double japanned black, finely tempered steel, needle points, absolutely fast 
heads. a b c ”d e f g h 
Size No. 00 0 1 2 3 4 5 6 
Per 100 $0.40 .40 .40 .40 .40 .40 .40 .40 
6301 PINS, INSECT, special, double plated white steel pins, finely tempered steel, needle points, absolutely 
fast heads. abcdefgh 
Size No. 00 0 1 2 3 4 5 6 
Per 100 $0.50 .50 .50 .50 .50 .50 .50 .50 
6302 PINS, INSECT, with yellow heads, japanned steel pins, needle points, absolutely fast heads. 
abcde fgh 
Size No. 00 0 1 2 3 4 5 6 
Per 100 $0.40 .40 .40 .40 .40 .40 .40 .40 
6305 PIPES, CLAY..............-..................................................Per dozen 
$0.76 
15.00 
15.50 
2.50 
.50 
$0.75 
.10 
.75 
.10 
.16 
.76 
3.50 
.25 
.35 
4.75 
2.25 
i 
7 
.40 
i 
7 
.50 
i 
7 
.40 
$0.60
        

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