CAMBRIDGE GAS ANALYZERS Labor saving—profit
made to measure
producing!
Every item in the Diamond D Blue Line will measure with maxi mum accuracy and uniformity. The graduations are calibrated with ex treme care and the etching is deep and clear to afford maximum read ability.
Cambridge Gas Analyzers con tinuously analyze and simultane ously record on one chart from one to six constituents of a gas. They may be used for most simple and many complex mixtures of gases. Dependable and laborsaving, these Analyzers make pos sible increased efficiency and savings in the operation of steam generating plants, cement kilns, blast furances; in the production of inert gases; in metallurgy, in petroleum refining and other chemical processes. 3-POINT RECORDING GAS ANALYZERS (Co?, H2, CO)
Send for literature m e n t i o n i n g application
The pigment in the Diamond D Blue Line is heat-fused into the graduations and is impervious to practically every chemical. The Diamond D Blue Line is annealed in electrically-con trolled lehrs to relieve internal strain and each piece is double tested to rigid standards. When you need laboratory glassware with built-in accuracy and uni formity, specify the Diamond D Blue Line. Send for FREE brochure today.
DOERR
CAMBRIDGE INSTRUMENT COMPANY INC.
GLASS COMPANY
3 5 1 4 G r a n d Central Terminal, N e w York 1 7 , Ν . Υ .
VINELAND, N. J .
PIONEER MANUFACTURERS OF PRECISION INSTRUMENTS Circle No. 65 A-2 on Readers' Service Card, page 73 A
Circle No. 65 A-1 on Readers' Service Card, page 73 A
Eberbach POWER-STIR WITH ELECTRIC GOVERNOR Maintains
Speed
In Spite
Of
Line Voltage Or Load Variations New Eberbach POWER-STIR is a high-torque, variable speed stirrer designed for intermittent medium duty. It features an electric governor that maintains desired speed despite line voltage fluctuations or load variations. Important f e a ture, too, is the Eberbach exclusive hollow spindle. This de vice holds and centers metal, glass or plastic stirring rods and provides variable working length of the agitator. No. 7 7 - 8 3 6 D Power-Stir with 2 5 - 6 0 cycle A C is $ 5 0 . 0 0 .
Governor,
115
volt,
ADVANTAGES • • • •
MAINTAINED SPEED HOLLOW SPINDLE 200 to 1000 R.P.M. EXTRA HIGH TORQUE Request Bulletin 600
Eberbach "Hollow
Eberbach
describing
Spindle"
SCIENTIFIC INSTRUMENTS &APPPARATUS
CORPORATION
ANN ARBOR, MICH.
Stirrers.
t S T M U S M D 1*4»
For further information, circle number ES A-3 on Readers' Service Card, paje 73 A V O L U M E
2 8, N O . 1 0 , O C T O B E R
1956
63 A
