Leiss SINGLE & DOUBLE MIRROR-MONOCHROMATORS
Product Capsules Temp. Controls.
control model.
Bulletin on dual161
Temp. Controls. Portable thermo static unit for water baths. 79 Temp. Controls Info on solid state proportioning unit. 177 Titra tors. Runs up to 16 titrations and prints results automatically. 43 Tubing. Teflon-lined rubber for chemical, food, electrical, and other uses. 68 Tubing. Made of clear, chemically in ert, flexible plastic. 169 Tubing. Info on precision bore glass in 90 standard sizes. 86 Vacuums. All glass parts made from hea\ r y wall tubing. 129 Valves. Stainless steel, monel or brass bello\vs models. 3 With exchangeable prisms for the visible, ultraviolet, infrared from 200 millimicrons to 20 microns. Write for Bulletin #980 to
PHOTOVOLT Corporation 1115 Broadway
•
New York 10, Ν. Υ.
Valves. Micro-regulating units have orifices up to 0.375". 15 Ware, glass. 300 page catalog con tains over 4500 items. 64 Washers. Washes and dries glassware automatically. 5
Circle No. 109 on Readers' Service Card
SPECTROPHOTOMETER CELLS FUSED QUARTZ
Product Capsules an AC Service for subscribers
TWO WILL DO Only t w o Cells cover the entire range from 1 7 0 0 A ° to 4μ a n d either one includes the visible range. Fully fused all quartz construction — no cements or fluxes used. Sets matched within Τ/2%. Micro Cells, Fluorescence Cells a n d Special Cells a v a i l a b l e . Ask your laboratory supply dealer for Thermal American Fused Quartz Cells, or write to:
Presenting short "refreshers" on last rnonth's ads in order to help you obtain free information of value to both you and your company. Simply
circle corresponding key
numbers in the "Product Capsules"
THERMAL AMERICAN FUSED QUARTZ CO. RT.
118A
202 & CHANGE
BRIDGE RD„ MONTVILLE 5, N. J. ZIP CODE 07045
Circle No. 6 on Readers' Service Card ANALYTICAL CHEMISTRY
portion of the reply card on page 92B.
