Product Capsules Fluorimeters. Klett Mfg. Co. fluorimeters determine thiamin, riboflavin and other substances which fluoresce in solution. 96-2 Fluorometers. Photoelectric fluorometers by Farrand Optical Co., Inc., render linear response and stability over wide range. Bulletin. 140 Fraction Collectors. Bulletin on auto matic fraction collector with plug-in control units, 24" and 15" dia. turn tables. Research Specialties Co. I l l Funnels. Bulletin on graduated sep arator}' and pressure equalizing funnels from Ace Glass Inc. 20 Furnaces. Detailed info on high tem perature furnace from Arthur H. Thomas Co. 118 Furnaces. Bulletin details Hevi-Duty Electric Co. combustion tube furnaces. Temperatures to 2600° F. 55 Furnaces. Lindberg Engineering offers info on new economy model furnace and modernized resistance ment combustion tube furnace.
Co. box ele 100
Furnaces. Detailed info from Arthur H. Thomas Co. on new furnace for micro and semimicro combustions to 2100° F. 117
within /%... eight different research labs reported the same particle size distribution in a single sample of a finely divided p o w d e r
To d e t e r m i n e the u n i f o r m i t y a n d accuracy of t h e i r Sharpies Micromerograph, a
'prominent,
independent
research
laboratory
a s k e d e i g h t s i m i l a r l y e q u i p p e d l a b o r a t o r i e s a n d p l a n t s to d e t e r m i n e
Furniture. Laboratory Furniture Co., Inc. offers "Module Planning Kit" listing hundreds of combinations to custom-fit labs. 1
the p a r t i c l e size d i s t r i b u t i o n in a p e r c h l o r a t e s a m p l e . W h e n the results
Glassworking Equipment. Catalog on the Bethlehem Apparatus Co., Inc. line of equipment. 35
coast to coast. Some use t h e i r m i c r o m e r o g r a p h s f o r p r o d u c t i o n control
Gloves. Info on flexible polyethylene gloves, and boron carbide mortars and pestles. Spex Industries, Inc. 78-1,2 Gratings, Diffraction. Catalog ex plains theory and use mechanics of Bausch & Lomb Optical Co. certifiedprecision gratings. 29
c a m e i n , e v e r y p a r t i c i p a n t r e p o r t e d the same a n a l y s i s w i t h i n 1 % . The e i g h t p a r t i c i p a n t s a r e a t d i f f e r e n t locations scattered f r o m
of e x t r e m e l y fine p o w d e r s , others a r e e n g a g e d in p u r e research. O p e r a t i n g on the p r i n c i p l e of Stokes' Law of F a l l , the Sharpies M i c r o m e r o g r a p h p r o v i d e s a u t o m a t i c , r a p i d , a n d accurate
analysis
o f p a r t i c l e size d i s t r i b u t i o n . For a c o m p l e t e d e s c r i p t i o n of the Sharpies M i c r o m e r o g r a p h , request a copy of Bulletin 1 0 1 . * Details on request. Free on request. Bulletin N o . 101 describes
Hot Plates. Literature on Thermo Electric Mfg. Co. 6" sq. hot plate with new, stepless control dial. 80
theory a n d operation. Includes typical sampling curves as compared lo microscopic examinations.
Incubators. Bulletin on metabolic shaking incubator featuring beakerflask accommodation, 24 hour opera tion. Precision Scientific Co. 132 Instruments. Circle numbers for info on following: gas chromatograph, 152-1 ; automatic thermogravimetric analyzer, 152-2 ; Aminco-Bowman spectrophotofluorometer, 152-3; Aminco-Keirs spectrophosphorimeter, 152-4; chloride titrator, 152-5; and menisco-matic buret, 152-6. Ameri can Instrument Co., Inc. 152-1 to 6 (Continued on page 112 A)
SHARPLES THE
SHARPLES
CORPORATION
2 3 0 0 W E S T M O R E L A N D STREET · PHILADELPHIA 4 0 , P E N N S Y L V A N I A « W V O R K · PITTSBURGH «CLEVELAND· DETROIT «CHICAGO· NEW ORLEANS «SEATTLE· LOS ANCCUSeSAN FRANCISCO· M0UST0»
Associofec/
Companies
and*
Λ e p r es en t ot i v e t
throughout
fhe
World
Circle No. 128 on Readers' Service Card V O L . 3 1 , N O . 3 , MARCH 1 9 5 9
·
111
A
