Net $45.00

16644. Still, Jones' Excelsior, with Condensor. This is an improved ap-
paratus for recovering alcohol, distilling water, manufacturing fluid
extracts, etc. It is made of polished copper and is capable of dis-
tilling from 1000 to 1500 cc. of water or fluid extract per hour.
Has indicator to mark when water in the boiler is low, and is pro-
vided with opening for thermometer. May be used on any kind
of stove. Total height, 440 mm.; diameter, 180 mm. Capacity of
inner kettle for fluid extracts, 4 liters. (See illustration, page 354.)

Each, Net $5.00



New York, Boston, Chicago, U. S. A., Frankfurt a/M., Germany.
355




16648

16646. Still, Ralston. Made of the best quality cold-rolled copper and lined
with pure block tin which will not corrode nor rust. The still can-
not boil dry and can be operated on a stove or over a gas or oil
flame. Capacity, i liter per hour. Height, 350 mm,; diameter, 225
mm. Net $10.00

Stills. Other makes to order.
Stirrers. See Glass Rods.
16648. Stirring Apparatus. For use in iron analysis as described in "Blair's
Analysis," 3rd edition, page 149. Price without motor.
Each $20.00
16650. Stirring Apparatus. Arranged to stir simultaneously the contents of
six beakers by either hand or motor power (see motors).
Each $28.00
16652. Stirring Apparatus, Rabe's. For use with Rabe's motor (see mo-
tors). Price without motor. Each $7.00



356



Bausch £r Lomb Optical Co., Rochester, N. Y., U. S. A.,



_^Sa:e




16650




16652, 16654



16654. Stirring Apparatus, Rabe's. Complete with Rabe's motor.
Each $12.00
Stop Cocks, Brass, for Gas Bags. See Gas Bags.
