new york laboratory supply co., inc

1
41 A INDEX TO ADVERTISERS Ainsvvorth & Sons, Inc., Win 39 A Aloe Co., A. S 11 A American Platinum Works 33 A Applied Research Laboratories 36 A Maker & Adamson Products, Ceneral Chemical Division. Allied Chemical & Dye Corp 4th Cover Raker Chemical Co., J. Τ 2nd Cover Bauach & Lomb Optical Co 42 A Reckman Instruments, Inc 1.5 A Bersworth Chemical Company 33 A Cambridge Thermionic Corp 20 A Central Scientific Co SA Chicago Apparatus Co 32 A Coleman Instruments, Inc 21 A Consolidated Engineering Corp 7 A Coors Porcelain Co 34 A Distillation Products Industries, Div. of Eastman Kodak Co.. 29 A Dow Corning Corp 4 A Eastman Kodak Co 29 A Fischer & Porter Co 13 A Fisher Scientific Co 18 A Fish-Schurman Corp 32 A General Laboratory Supply Co 38 A Greiner Co., Emil 5 A Harshaw Scientific Co 6 A Hélice, Inc 35 A Kewaunee Mfg. Co 38 A Klett MfK- Co 3 I A, 39 A Laboratory Construction Co 37 A LaPine & Co., Arthur S 28 A Leeds & Northrup Co 14A Lindberg Engineering Co 27 A Merck & Co. Inc 30 A New York Laboratory Supply Co. Inc 41 A North American Philips Co 31 A Parr Instrument Co 35 A Perkin-Elmer Corp 10 A Photo volt Corp 32 A, 34 A, 37 A Research Equipment Corp 12 A Sargent & Co., Ε. Η 17 A Schleicher & Schuell Co 37 A Scientific Glass Apparatus Co. Inc 9 A Specialized Instrument Corp 31 A Thomas Co., Arthur H 16 A Torsion Balance Co 3rd Cover Welch Scientific Co., W. M 22 A DIRECTORY Laboratory Supply Center 40 A Cargille, R. P. Microcbemical Specialties Co. Phillips-Drucker Co. Southwestern Analytical Chemicals Wilkens-Anderson Co. Wisconsin Alumni Research Foundation REINHOLD PUBLISHING CORPORATION Advertising Management for the American Chemical Society Publications 330 W. 42nd Street, New York 36, Ν. Υ. ADVERTISING SALES REPRESENTATIVES Merald Lue, Advertising Sales Manager New York 36—BRyant 9-4430; Eastern Advertising Sales Manager, B. Franklyn LaRue: District Managers—James J. Sullivan, Thomas F. Casey, Brayton C. Nichols Cleveland 13-630 Terminal Tower, PRospect 1-5583; District Manager—Rodney D. Long Chicago 2 T 111 West Washington Street, RAndoIph 6-8497; Western Advertising Sales Manager, G. E. Cochran; District Manager- Edward J. Fregan San Francisco 5—McDonald-Thompson, 625 Market Street, YUkon 6-0647; Roy M. McDonald Los Angeles 5—McDonald-Thompson, 3727 West Sixth Street, Dunkirk 7-5391; Ε. Τ. Thompson Seattle 1—McDonald-Thompson, Terminal Sales Bldg., Main 3860; Harry Abney Dallas 11—McDonald-Thompson, 1118 Odeans Drive, Winfield 4911; Richard C. Wipperman Denver 2—McDonald-Thompson, Colorado National Bank Building, Keystone 4669; Robert H. Heidersbach GET THE HABIT OF USING THE POLYETHYLENE GUe^fUcaili^ 9neat POLICE RODS' mtjM\ ^ ^ Available in two convenient lengths. Unbreakable and never causes scratching of glassware. This indispensable laboratory tool is a general purpose stirring rod of flexible, chemically inert poly- ethylene, moulded in one piece and stiffened by a wire within the V* inch rod. A thin fan shaped paddle is on each end, by virtue of which it is also capable of functioning as a policeman of unique and superior characteristics. Though intended primar- ily for use at room tem- peratures, it may be used for short periods at temperatures up to 100 degrees centi- grade. Rod may be bent into any form to suit your requirements. Paddles can be trimmed with scissors or knife to any desired shape. Order your stock of NYLAB "Police Rods" today. •RtCfc* CO* t*c o-< e " B3» 5 ° ,ro« %3 lots .75 i.75 10°/° aise» 00 NEW YORK LABORATORY SUPPLY CO., INC. 76 Varick Street - New York 13, Ν. Υ. VOLUME 2 4, N O . 7, JULY 1952

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41 A

INDEX TO ADVERTISERS Ainsvvorth & Sons, Inc., Win 39 A Aloe Co., A. S 11 A American Platinum Works 33 A Applied Research Laboratories 36 A

Maker & Adamson Products, Ceneral Chemical Division. Allied Chemical & Dye Corp 4th Cover

Raker Chemical Co., J. Τ 2nd Cover Bauach & Lomb Optical Co 42 A Reckman Instruments, Inc 1.5 A Bersworth Chemical Company 33 A

Cambridge Thermionic Corp 20 A Central Scientific Co SA Chicago Apparatus Co 32 A Coleman Instruments, Inc 21 A Consolidated Engineering Corp 7 A Coors Porcelain Co 34 A

Distillation Products Industries, Div. of Eastman Kodak Co.. 29 A

Dow Corning Corp 4 A

Eastman Kodak Co 29 A

Fischer & Porter Co 13 A Fisher Scientific Co 18 A Fish-Schurman Corp 32 A General Laboratory Supply Co 38 A Greiner Co., Emil 5 A Harshaw Scientific Co 6 A Hélice, Inc 35 A

Kewaunee Mfg. Co 38 A Klett MfK- Co 3 I A, 39 A

Laboratory Construction Co 37 A LaPine & Co., Arthur S 28 A Leeds & Northrup Co 14A Lindberg Engineering Co 27 A

Merck & Co. Inc 30 A

New York Laboratory Supply Co. Inc 41 A North American Philips Co 31 A

Parr Instrument Co 35 A Perkin-Elmer Corp 10 A Photo volt Corp 32 A, 34 A, 37 A

Research Equipment Corp 12 A

Sargent & Co., Ε. Η 17 A Schleicher & Schuell Co 37 A Scientific Glass Apparatus Co. Inc 9 A Specialized Instrument Corp 31 A

Thomas Co., Arthur H 16 A Torsion Balance Co 3rd Cover

Welch Scientific Co., W. M 22 A

DIRECTORY Laboratory Supply Center 40 A

Cargille, R. P. Microcbemical Specialties Co. Phillips-Drucker Co. Southwestern Analytical Chemicals Wilkens-Anderson Co. Wisconsin Alumni Research Foundation

REINHOLD PUBLISHING CORPORATION Advertising Management for the

American Chemical Society Publications 330 W. 42nd Street, New York 36, Ν. Υ.

ADVERTISING SALES REPRESENTATIVES Merald Lue, Advertising Sales Manager

New York 36—BRyant 9-4430; Eastern Advertising Sales Manager, B. Franklyn LaRue: District Managers—James J. Sullivan, Thomas F. Casey, Brayton C. Nichols

Cleveland 13-630 Terminal Tower, PRospect 1-5583; District Manager—Rodney D. Long

Chicago 2 T 1 1 1 West Washington Street, RAndoIph 6-8497; Western Advertising Sales Manager, G. E. Cochran; District Manager-Edward J. Fregan

San Francisco 5—McDonald-Thompson, 625 Market Street, YUkon 6-0647; Roy M. McDonald

Los Angeles 5—McDonald-Thompson, 3727 West Sixth Street, Dunkirk 7-5391; Ε. Τ. Thompson

Seattle 1—McDonald-Thompson, Terminal Sales Bldg., Main 3860; Harry Abney

Dallas 11—McDonald-Thompson, 1118 Odeans Drive, Winfield 4911; Richard C. Wipperman

Denver 2—McDonald-Thompson, Colorado National Bank Building, Keystone 4669; Robert H. Heidersbach

G E T T H E H A B I T O F U S I N G

THE POLYETHYLENE GUe^fUcaili^ 9neat

POLICE RODS' mtjM\ ^ ^

Available in two convenient lengths.

Unbreakable and never causes scratching of glassware.

This indispensable laboratory tool

is a general purpose stirring rod

of f lexible, chemically inert poly­

ethylene, moulded in one piece

and stiffened by a wire within

the V* inch rod. A thin fan

shaped paddle is on each end,

by virtue of which it is also

capable of functioning as a

policeman of unique and

superior characterist ics.

Though intended primar­

ily for use at room tem­

peratures, it may be

used for short periods

at temperatures up to

100 degrees centi­

grade.

Rod may be bent into any form to suit your requirements.

Paddles can be trimmed with scissors or knife to any desired shape.

Order your stock of NYLAB "Police Rods" today.

•RtCfc*

CO* t * c o-<e"

B3»5° ,ro«

%3

lots

.75

i.75

10°/° aise»00

NEW YORK LABORATORY SUPPLY CO., INC. 76 Varick Street - New York 13, Ν. Υ.

V O L U M E 2 4, N O . 7, J U L Y 1 9 5 2