INDUSTRIAL
D e c e m b e r 1947
AND
E N G I N E E R I N G
Equipment and Materials
Feed
MARKETPLACE
141 A
CHEMISTRY
by W E I G H T
. . . not by volume!
Beginning with the January issue of INDUS TRIAL AND ENGINEERING CHEMISTRY a new Directory will appear in this section called . . .
EQUIPMENT AND MATERIALS MabketfUace. H e r e y o u c a n b u y a n d sell — t h r o u g h low-cost — all
manner
materials.
Here
and
form
of
industrial
you c a n tell your
advertising
equipment
product
and
story to t h e
35,000 m e n w h o s u b s c r i b e to e a c h issue of INDUSTRIAL AND
The revolutionary Hardinge Constant-Weight Feeder regulates feeding of materials at a constant weight-rate
ENGINEERING CHEMISTRY.
— T h e s e m e n r e a d l&EC b e c a u s e its editorial c o n t e n t their
industrial
with Equipment
needs and
completely Materials
a n d thoroughly. Marketplace
covers
automatically compensating for variations in specific
gravity and moisture content.
And, Bulletin 3 3 - D
available,
their p u r c h a s i n g interests a r e e v e n m o r e finely s c r e e n e d in t h e d i r e c t i o n of your a d v e r t i s i n g i n t e r e s t s . C o n t a c t a Rein hold r e p r e s e n t a t i v e or write us at 332 W e s t 42nd
St., New York
with
the
next
issue
18, Ν. Υ., a n d start of
INDUSTRIAL
making
sales
AND ENGINEERING
CHEMISTRY.
YORK. PENNSYLVANIA — 240 Arch St. · Main Office and Works NEW YORK 17—122 E. 42nd St. • 205 W . W a c k . r D r i v e — C H I C A G O » SAN FRANCISCO 11—24 California St. 200 Bay St.—TORONTO 1
BETTER THAN EVER XSie ftcw
P L Y NO 3 $10.00 p»i dot., 12 ox. /or, net weight
I his instrument retains all of the advantages of the well established Hercules method without any of its disadvantages. Range extended to cover from 7 5 to 1,000,000 centipoises Constant tem perature jacket built-in. Automatic timer can be
(
furnished upon request. Write for bulletin No. 4 5 1 .
U. S. PATENT N O 2,252,572 LICENSED UNDER HERCULES POWDER CO PATENTS
W e a r e g l a d to announce t o o u r many friends this n e w i m proved w a t e r repellent cream. PLY N O 3 w i l l now meet workers' requirements f o r protection against w a t e r o r w a t e r soluble oils or other solutions which d o not exceed Ph 6 acid o r Ph 8 a l k a l i . W h e r e t h e acid o r a l k a l i content exceeds these specifications, other types a r e a v a i l a b l e . There a r e thirteen other PLY f o r m u l a e which provide specific protection against more than 2 0 0 0 industrial dermatitis h a z a r d s . W r i t e us describing your requirements. A FREE sample f o r testing will b e furnished.
FREE Ask for a copy of "The Answer To Industrial Dermatitis," the only reference book of its kind. Everyone interested in combating dermatitis should have a copy. PIONEERS I N RESEARCH FOR PREVENTION OF INDUSTRIAl
3 3 7 CENTRAL AVE. JERSEY CITY 7 , N . J.
DERMATITIS
THE M I L B U R N C O . 3218
E. W O O D B R I D G E
·
DETROIT
7,
MICH.
