VOLUME
22, NO.
2, F E B R U A R Y
47 A
1950
You're
INDEX TO ADVERTISERS Ainsworth & Sons, Inc., Wm 39 A Allied Chemical & Dye Corp 48 A Aloe Co., A. S 20 A American Instrument Co., Inc 36 A Baker & Adamson Reagents 48 A Baker Chemical Co., J. Τ 4A Bausch & Lomb Optical Co ·. 4th Cover Brookfield Engineering Laboratories, Inc 36 A Buffalo Apparatus Corp 18 A Central Scientific Co 24 A Coleman Instruments, Inc 26 A Coors Porcelain Co 40 A Daigger & Co., A 44 A Eastman Kodak Co 7A Eberbach & Son Co 41 A Eimer & Amend 2nd Cover Fisher Scientific Co 2nd Cover Fish-Schurman Corp 44 A General Chemical Div 48 A General Electric X-Ray Corp ôA General Laboratory Supply Co 40 A Greiner Co., Emil 9A Hamilton Mfg. Co 15 A Harshaw Chemical Co 8A Hellige, Inc 37 A Hoskins Mfg. Co 25 A International Equipment Co 19 A Kimble Glass Div 3rd Cover Klett Mfg. Co 33A:43A Laboratory Construction Co 32 A Leeds & Northrup Co 6A Lindberg Engineering Co 21 A Machlett & Son, Ε 45 A Mallinckrodt Chemical Works 11 A-14 A Meyer Scientific Supply Co., Inc 37 A National Carbon Div., Union Carbide & Carbon Corp 16 A New York Laboratory Supply Co., Inc 34 A Owens-Illinois Glass Co 3rd Cover Palo-Myers, Inc 38 A Parr Instrument Co 42 A Perkin-Elmer Corp 17A Peterson & Co., Inc., Leonard 36 A Photovolt Corp. 37 A:44 A Precision Scientific Co 40 A : 47 A Radio Corporation of America 29 A Sargent & Co., Ε. Η 23 A Schaar & Co 10 A Scientific Glass Apparatus Co., Inc 41 A Southern Scientific Co., Inc 18 A Specialized Instruments Corp 45 A Standard Scientific Supply Corp 43 A Superior Electric Co..' 35 A Taylor & Co., W. A 39 A Terminal Radio Corp 39 A Thermal Syndicate, Ltd 42 A Thomas Co., Arthur H 22 A Tracerlab, Inc 28 A Union Carbide & Carbon Corp., National Carbon Div 16 A Van Nostrand Co., Inc., D 38 A Welch Scientific Co., W. M 30 A Will Corp 18 A
*PREClSlON-DOW DUAL RECORDOMATlC TITROMETER
until you use itIf
46 A
you
run
manually you
much
many
titrations
now, each more
than
costs with
this fine new instrument.
A f e w weeks later, IT PAYS YOU Automatically controls reagent-feeding and permanent ly records progress. Performs four functions at once? With non-technical personnel, runs titrations in frac tion of time required by conventional methods.
LABORATORIES 1. 2. 3. 4.
REPORT:
(Name) on request)
"Paid for itself in first three months." "Now run 60 titrations per day; formerly only 10." "Frees our analyst for bVi hours of other work per day." "Cuts titration costs to scarcely one-third."
• Nothing like it on the m a r k e t ! • W i d e variety of applications! • Surprisingly low price! • Two complete titration set-ups!
DIRECTORy Laboratory Supply Center Balsbaugh, J. C. Burrell Corp. Cargille, R. P. Coleman Instruments, Inc. Jarrell-Ash Co. Kern Co. LaPine & Co., Arthur S. Nalge Co. Panray Corp. Sorvall, Inc., Ivan Wisconsin Alumni Research Foundation
paying for this
^
Performing a highly complicated operation with reliable simplicity, this product is typical of those made possible by our exceptional facilities —a quarter-century of tech nological practice, close contact with laboratories and technical societies, complete and modern 0 0 ^ ^ η * · * * factory — all with a single re sponsibility.
Precision Scientific Company *The
fINEST Research & Production Control Apparatus 3737 W. C o r t l a n d Street, Chicago 47 OFFICES IN NEW YORK · PHILADELPHIA · SAN FRANCISCO
