ΗANΟVIAmakes photochemical lamps for all kinds of lab-scale
reactions.
Manufacturers' Literature
Teaching Aids. Among the items included in a new 16-page catalog are atomic, molecular, and crystal models, charts, math models, and templates. Dyna-Slide Co., P. O. Box 1009, Evanston, 111. 60204 625 Data Conversion Service. A new concept for converting graphical data to digital form for computer entry is discussed in a four-page brochure. CompuScan, Inc., 125 Fort Lee Rd., Leonia, N. J. 07605 626 Glassware. Combined Catalog 69, 1528 pages, consists of a General Section, an Interjoint Section covering interchangeable glassware, and a crossreferenced index. Scientific Glass Apparatus Co., Inc., Bloomfïeld, N. J. 627 Computing System. The EAI 7800 analog/hybrid computing system is described and illustrated in Bulletin No. 852519, 18 pages. Electronic Associates, Inc., West Long Branch, N. J. 628 Company Periodicals
Now let's talk about your requirements. If you're interested in exploring improved yields and reaction efficiencies through photochemistry, Hanovia can supply Mercury Vapor lamps, immersion wells and accessories made to your specific requirements. We can supply the following from stock: „ .. .. Lamp Model 608A 654A 679A 673A
Arc Length In. 2.9 4.5 4.5 4.5
Watts 100 200 450 550
Radiation Output, Watts 11.5 25.2 175.8 202.7
Hanovia lamps are scaled to fit readily into conventional apparatus, and are also available as lowpressure custom made arcs that provide sources of radiation of short wave uv without the heat of the medium and high pressure arcs. For more information on Hanovia laboratory, pilot plant and industrial photochemical systems, contact: ENGELHARD HANOVIA, INC.
HANOVIA LAMP
D I V I S I O N
100 Chestnut St., Newark, New Jersey 07105
Circle No. 113 on Readers' Service Card See ACS Laboratory Guide for All Products/Sales Office
Requests for copies of the following publications, catalogs, etc., should be sent directly to the address shown. Business or professional letterheads are requested. Osmometry News, February, 1969. The measurement of deuterium oxide in biological fluids is the feature article this month. Advanced Instruments, Inc., 45 Kenneth St., Newton Highlands, Mass. 02161 Aminco Laboratory News, Vol. 24, No. 3. A review of mercury porosimetry as a method of measuring pore-size distributions in porous materials is presented. American Instrument Co., 8030 Georgia Ave., Silver Spring, Md. 20910 The Spex Speaker, Vol. 13, No. 4. An article discussing microsampling techniques in laser Raman spectroscopy is offered. Spex Industries, Inc., 3880 Park Ave., Metuchen, N. J. 08840 Current Peaks, Vol. 1, No. 1. The key
features in the first issue of this new periodical are an outline of the sophomore chemistry courses at UCLA and a discussion of the uses of single purpose gas chromatographs. Carle Instruments, Inc., 1141 E. Ash Ave., Fullerton, Calif. 92631
BAUSCH & LOMB GRAPHICS DIVISION 4950 TERMINAL AVENUE BELLAIRE, TEXAS 77401 (713) 667-7403 CABLE HOINCO Circle No. 130 on Readers' Service Card
VOL. 4 1 , NO. 4, APRIL 1969
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