ANALYTICAL
30 A
CHEMISTRY
FOR VACUUM WORK 2 Outstanding Items Prompt Delivery from
Will
PORTABLE ROTARY AIR PUMP Vacuum and Pressure Here's
an improved
rotary air pump
moderate vacuum and air pressure.
for
Its con
venience and portability make it excellent for laboratory use. It's suitable for pressures up to 25 p.s.i. intermittently/ or 15 p.s.i. continu ously. A vacuum of 27 inches can be reached
cate vacuum and pressure. Bleeder petcocks for regulating vacuum and pressure are pro vided. Displacement is 1.3 cubic feet per mm. w h e n open. M o t o r is M h.p. Finished in black " w r i n k l e " w i t h w h i t e plated fittings, the net w e i g h t of the pump is only 2 9 lbs.
w i t h ease. The pump is an integral part of the
22691
PORTABLE
ROTARY
PUMP,
motor and designed for quiet operation and
complete w i t h vacuum and pressure gauges,
non-pulsating air delivery.
filters, carrying handle, c o r d , switch, and plug.
The complete assembly is mounted on rubber
For operation on 115 volts, 6 0 cycles A . C . Price $ 6 6 . 0 0
feet and includes oiler, inlet and outlet filters, carrying handle, c o r d , switch and plug.
Dial
type gauges, each t w o inches in diameter, indi
O t h e r voltages special order.
and
cycles
available
on
SMALL ELECTRIC VACUUM OVEN This is designed for laboratories that need a vacuum oven only occasionally . . . or one of small capacity. Ideal for a w i d e variety of moisture tests. O v e n chamber is 6" in diameter by 8 H " deep. O u t e r finish is gray " w r i n k l e . " Gauge in gasket-sealed hinged d o o r reads from 0 to 3 0 " of vacuum. Temperature range from 3 0 to 1 4 0 ° C. Thermoregulator controls temperature to =±=0.25 C.· Thermometer insertion w e l l in t o p of oven. The Portable Rotary A i r Pump, described above, is an excellent source of vacuum. Heating elements in Vacuum O v e n &xz guaranteed for five years. Current consumption 2 0 0 watts. Come and see us at the Exposition of C/iemkal Industries, New York, Nov. 26-Dec. 7. We're in Booths 226 and 228.
20871 ELECTRIC V A C U U M O V E N forated shelf—for 115 volts A . C or D . C
w i t h one per Price $ 1 0 5 . 0 0
Wire, phone, write or teletype Dept. AC—your nearestWill warehouse
Office-
PROMPT DELIVERY FROM STOCK
ATLANTA 3, GA. SOUTHERN SCIENTIFIC
WILL
• N E W Y O R K 1 2 , Ν . Υ. WILL CORPORATION
CO.
B U F F A L O 5 , Ν . Υ. BUFFALO APPARATUS CORP.
SERVING SCIENCE THROUGH SUPPLY ROCHESTER
3 , Ν . Υ.
WILL
CORP.
•
BALTIMORE 1 , M D .
WILL CORPORATION of Md.
