20 A A N A L Y T I C A L C H E M I S T R

IMPROVED DESIGNS

SUPPORTS FOR DEWAR FLASKS Useful also for supporting other types of flasks or cylindrical objects

S388-A. S392-A.

METAL SUPPORTS for Tube Form Dewar Flasks. Designed to fit s tandard type tube form Dewar Flasks of 50 to 950 ml capacity, bu t useful also for supporting other types of cylindrical objects.

Consisting of brass platform and spring bronze clips which are extensions of the legs and which spread as the flask is inserted and hold it firmly in a vertical position. Finished throughout in dull black. Lower platform is provided with central opening to accommodate sealing point of flask. All sizes, with the exception of the smallest, have upper sheet brass collar for increased rigidity.

5388-A. Metal Supports for Tube Form Dewar Flasks, as above described. To fit tube form Dewar Flask, capacity ml 50 200 450 950 Size of octagonal platform, inches square 3% 4 4% 6 Overall height, inches 5V2 6% TV2 U]4 Takes tube with maximum diameter, inches 2}4 2_M 2% "iYi Each 3.60 4.80 4.80 5.30 Net weight, ounces 6 9J4 H 16 Code Word Oesel Gesgh Oeshf Gesid

METAL SUPPORTS for Pear Shape Dewar Flasks. Designed to fit s tandard type pear shape Dewar Flasks but useful also for supporting other round bot tom objects of similar size. Construction is generally similar to smallest size of 5388-A; with platform 2% inches above table. 5392-A. Metal Supports for Pear Shape Dewar Flasks, as above described.

To fit pear shape Dewar Flask, capacity ml 125 and 250 500 Size of octagonal platform, inches square 4 5% Overall height, inches 5^g 59/ιβ Each 3.60 4.00 Net weight, ounces 6 8 Code Word • Geuva Geuwy

10% discount in lots of 12, assorted sizes, one catalogue number only.

ARTHUR H. THOMAS COMPANY

5388-A. Metal Supports for Tube Form Dewar Flasks, as To fit tube form Dewàr Flask, capacity m l . . . . Size of octagonal platform, inches square Overall height, inches

above described. 50 3Vs VA 2V2 3.60

6 Gesel

200 4

m 2M 4.80 VA

Gesgh

450

m 7V2 2% 4.80 11

Geshf

950 6

5.30 16

Each

50 3Vs VA 2V2 3.60

6 Gesel

200 4

m 2M 4.80 VA

Gesgh

450

m 7V2 2% 4.80 11

Geshf

950 6

5.30 16

50 3Vs VA 2V2 3.60

6 Gesel

200 4

m 2M 4.80 VA

Gesgh

450

m 7V2 2% 4.80 11

Geshf Gesid

5392-A. Metal Supports for Pear Shape Dewar Flasks, as above described. To fit pear shape Dewar Flask, capacity ml 125 and 250 Size of octagonal platform, inches square 4 Overall height, inches 5 ^ Each 3.60

500 5 ^

5»/l6 4.00

8 Code Word . . . . • Geuva

10% discount in lots of 12, assorted sizes, one catalogue number only.

RETAIL — WHOLESALE — EXPORT

LABORATORY APPARATUS AND REAGENTS WEST WASHINGTON SQUARE, PHILADELPHIA 5, PA., U. S. A.

Cable Address "Balance," Philadelphia