For photographing
NEWEST Developments In TIME LAPSE PHOTOGRAPHY EQUIPMENT
automatically,
under
a microscope, any material that has a time change in structure. Still photographs are m a d e on motion picture film at relatively long time intervals then projected at standard speed. Changes that represent hours at a normal rate are then viewed in minutes, picturing clearly the effects of time, temperature and environment on the material. Ideal for showing plant growth, corrosion studies, tissue cultures, blood samples, bacteria, metals, minerals, waxes, and crystalline formations. All components for a complete time lapse unit can be mounted on stand assembly. This includes camera, microscope and incubator, illuminator, and timer. Dual drive control unit operates two cameras and associated equipment on two stand assemblies. Special brochure | E M - 1 gives complete d a t a and prices. Write now for your copy. Stand Assembly
a l o e
Scientitic
Division of A. S. Aloe Company
5655 Kingsbury, St. Louis 1 2, Mo. FULLY STOCKED DIVISIONS COAST-TOCOAST
Dual Drive Control Unit
For further information, circle number 82-1 on Readers' Service Card, page 89 A
6TH
THE
GOOD REASON
Why-
COORS
CERAMIC BUCKBOARD AND MULLER
is the best buv NEW I T E M S Coors keeps pace with the demand for modern laboratory porcelain.
MICRO FILTERSTICK
A complete and well rounded selection of chemical porcelain is periodicallysupplemented with new and revised apparatus. At Coors Porcelain Company creative minds are constantly working to provide new and better ceramic materials and products. ^>,
POROUS BOTTOM ^ CRUCIBLE
BROWN i INVERTED FUNNEL ALUMINA MORTAR . AND PESTLE
LOOSE PLATE TABLE TYPE BUCHNER FUNNEL
I COORS PORCELAIN C O M P A N Y GOLDEN, COLORADO For further information, circle number 82-2 on Readers' Service Card, page 89 A 82 A
•
ANALYTICAL CHEMISTRY
