Yule, and V. P . Guinn, General Atomic Division, General Dynamics Corp., San Diego, Calif. ASTROPHYSICAL
HARSHAW
POLISHED
OPTICS
C. M. Huffer, Presiding
1:30 Spectroscopic Observations of Faint Galaxies and Stars. J. Oke, Mount Wilson and Palomar Observatories, Carnegie Institute of Washington, D . C , and California Institute of Technology, Pasadena, Calif. 2:45 The Current Status of Far Ultraviolet Stellar and Nebular Spectroscopy. J. Kupperian Goddard Space Flight Center, Greenbelt, Md. 3:45 Space Instruments for the Measurement of the Ultraviolet Spectra of Planetary Atmospheres. D. Margetts, E. F . Mackey, and C. A. Barth, J e t Propulsion Laboratory, California Institute of Technology, Pasadena, Calif. INFRARED AND OPTICAL-MOLECULAR STRUCTURE W . W a r e , Presiding
1:30 The Vibrational Spectra of E x cited Electronic States. R. Hexter, Mellon Institute, Pittsburgh, Pa. 2:30 Spectrophotometric Studies of Molecules in Their Triplet States. M. W. Windsor and D . Weber, Quantum Chemistry Department, Space Technology Laboratories, Inc., Redondo Beach, Calif. 3:15 Spectral Line Splitting in Europium Chelates. M . L. Bhaumik, Electro-Optical Systems, Inc., Pasadena, Calif. 3:45 The Luminescence of Transition Metal Complexes. L. S. Forster, University of Arizona, Tucson, Ariz. 4:15 Long-Lived Luminescence from Organic Materials. H. R. Lukens, Jr., General Atomic Division, General D y namics Corp., San Diego, Calif. 4:45 Optical Measurements of Radiation Damage Processes on a Fast Time Scale. J. F . Bryant, D . M . J . Compton, and J. Kirkbride, General Atomic D i vision, General Dynamics Corp., San Diego, Calif.
Materials available include lithium fluoride, calcium fluoride, barium fluoride, sodium fluoride, sodium chloride, potassium chloride, potassium bromide, silver chloride, KRS-5, KRS-6, thallous chloride, thallous bromide, cesium bromide and cesium iodide. Special crystals can be custom grown to customer specifications. Other products include specially oriented crystals, attenuated total reflection components, a n d X-ray monochrometer plates. For additional information write t o the Crystal-Solid State Division, The Harshaw Chemical Company, 1945 East 97th Street, Cleveland, Ohio 44106, phone area code 216, 721-8300. Write for our booklet "Harshaw Polished
CRYSTAL-SOLID
STATE
Optics".
DIVISION
THE HARSHAW CHEMICAL COMPANY 1945 E. 97th St. · Cleveland, 0 . 4 4 1 0 6 Phone Area 2 1 6 7 2 1 - 8 3 0 0
HARSHAW
Circle No. 103 on Readers' Service Card
Friday M o r n i n g , O c t o b e r 18 ATOMIC EMISSION AND ABSORPTION ASTM-E2 Discussion Period on Unsolved Problems in Spectrochemical Analysis B. Buell, Presiding
9:00 A High Resolution Scanning System for the Optical Study of Laser Crystals. J. K . Powers and B . W. Harned, Philco Scientific Laboratory, Blue Bell, Pa. 9:30 Instrumental Parameters in Atomic Absorption. H. L. Kahn, T h e Perkin-Elmer Corp., Norwalk, Conn. 10:15 Unsolved Problems in Spectrochemical Analysis. R. Barras, Atlantic Refining Co., Philadelphia, Pa. 11:15 Discussion Period—Unsolved Problems in Spectrochemical Analysis —ASTM Committee E - 2 ; Discussion headed by R. Barras. INFRARED AND OPTICAL-STRUCTURE W . Jones, Presiding 9:00
T h e Evaluation
of
Transferable
FOR THE REALLY HARD J O B S BORON CARBIDE MORTAR AND PESTLE SETS
One of the best materials for hand grinding-almost diamond-hard, inert, resistant to acids and alkalis. Cavity diameters. V2"to3". Special sets have offset handles for grinding on a microscope stage.
SPEX
INDUSTRIES, INC. · 3880 PARK AVENUE · METUCHEN, N. S. Circle No. 14 on Readers' Service Card VOL. 3 5 , NO. 1 1 , OCTOBER 1 9 6 3
·
63A
