Spectrum
The
S„ctcty k * •va
-
...2-in-1 microphotometer >
measures spectrum line intensities on photographic plate or x-ray film This Hiiger & Watts 2-in-1 microphotometer quickly converts from one type of instrument to a n o t h e r . . . measures the intensity of spectrum lines on photographic plate or X-ray f i l m . Interchangeable subassemblies make it possible to convert this instrument from a n o n - r e c o r d i n g to a recording type to cover a broad range of applications. Major advantages are: • Versatility • Operating speed and simplicity • Dependability
· Traverse m o t i o n accurate t o ± 2 microns · Low c o s t . . . start at $3,231
THE J O U R N A L publishes O r i g i n a l Papers describing significant d e v e l o p ments in analysis and instrumentation;
...a new projection comparator instrument...
Papers
r e v i e w i n g recent developments,· N e w apparatus; Book Reviews THE ABSTRACTS give complete coverage of
ideal for the rapid and easy comparison of spectrograms. Images of the spectra to be compared are magnified approximately ten times.
all analytical literature Annual Subscription to The Analyst and Analytical Abstracts . . . $42.00 Post Free
Check these outstanding advantages: • Large, easy to view screen " —-——:.. • Simple and precise focusing • Smooth easy movement of projection head • Sturdy compact design w i t h convenient controls
The Analyst
is N O T sold without Analytical
Abstracts
PUBLISHED FOR Sold and serviced exclusively in the U.S. A by Engis Equipment Company.
THE SOCIETY FOR ANALYTICAL CHEMISTRY
For c o m p l e t e d e t a i l e d i n f o r m a t i o n on m i c r o p h o t o m e t e r s , projection comparators, and other scientific instruments, write:
( G r e a t Britain)
Engis
SCIENTIFIC INSTRUMENTATION
ENGIS EQUIPMENT
8035 A u s t i n Ave. · Morton Srove, III. 60053· 312-966-5600
120
by W . H e f f e r & Sons L i m i t e d , Petty Cambridge,
Circle No. 84 on Readers' Service Card 142 A
DIVISION
COMPANY
·
ANALYTICAL CHEMISTRY
England
Cury,
