49 A
VOLUME 25, NO. 11, NOVEMBER 1953
LITERATURE, continued for laboratory a n d biochemical from Schwarz Laboratories, I n c .
use 39
BURRELL
O r g a n i c C h e m i c a l s . Supplement of 8 pages lists 47 additions—as well as price changes a n d removals—in t h e catalog of organic chemicals available from Distillation P r o d u c t s Industries (Second Supplement, List 38). 40 Biochemicals. Six-page price list covering about 500 biochemicals, in cluding m a n y amino acids and deriva tives, peptides, enzymes, sugars, and research chemicals. M a n n Research Laboratories, I n c . (Price List 119). 4 1 O s c i l l o g r a p h . A descriptive bulletin on a miniaturized wide-band, q u a n t i t a tive cathode ray oscillograph provides a 3-dimensional mock-up of t h e instru ment, as well as electrical and mechani cal specifications. Allen B . D u M o n t Laboratories, I n c . 42 Inspection L a m p s . A 2-page sheet describes miniature inspection lamps for viewing areas n o t directly visible to t h e eye a n d illustrates magnifier, mirror, flexible extension, a n d small diameter ex tension accessories. E d e r I n s t r u m e n t Co. 43 Cyanuric Chloride. Booklet of 27 pages covers physical properties, chemi cal reactions, potential applications, a n d toxicity of t h e crystalline solid and includes a table of reactions with hydroxy a n d nitrogen compounds and a bibliography. American C y a n a m i d Co. 44
LABORATORY CHECK LIST BARRETT COAL ASH F U S I O N FURNACE A compact, quiet, high-capacity gas-fired furnace for determining the fusing tem perature of coal ash. Six cones may be tested at o n e time and six to eight r u n s may be made per day. Easy to operate. Furnished complete, ready for connec tion to natural, cylinder or manufactured gas and electric outlets. 2 6 " h i g h . Cat. No. A.C. or D.C. Each 22-703 115 Volt 500.00
STANTON B A L A N C E , M o d e l
Distilled Water S y s t e m s . Valves, fit tings, a n d t u b i n g lined with p u r e block tin and their use in distilled water sys tems are described in a bulletin of 12 pages. Autoclave Engineers Sales Corp. (Cat. 86S). 49 For further information, see coupon on page 41 A
BURRELL ABSORPTION PIPETTES
Auto Bubbler
Auto-Bubbler (Patent Pending) For all standard Burrell Build-up and Cabi net model gas analysis apparatus, except N o . 38-747 Premier Model. Manufactured by Burrell from Pyrex Brand glass. Cat. N o . 40-105 Each—9.50
G a s ο metric A n a l y s i s . Construction and operation of an a p p a r a t u s for carry ing out gasometric analyses on m i n u t e quantities of blood or tissue fluid are de scribed in a 5-page bulletin. Micrometric I n s t r u m e n t Co. (Micrometric Gasometer). 46
S i l i c o n e s . New silicone p r o d u c t s a n d applications are described in a 2-page c o m p a n y publication p u t out b y D o w Corning Corp. (Silicone ATews). 48
AD-2
Aperiodic Projection R e a d i n g Balance. Can cut your w e i g h i n g time in half. Load ing is easy, speedy air-damping is employed and readings are convenient projectiontype. Sensitive to 0.1 m g . Ask for Bulletin No. 329 Cat. N o . 2-568-2 Each—595.00
Heating Mantles. A 4-page folder catalogs various types of mantles for safe laboratory heating uses. F o r m a Scientific, I n c . (Bull. 65S). 45
Electronic Equipment. Catalog of 190 pages covers equipment a n d p a r t s for industry, laboratories, radio, and television. Newark Electric Co. (Cat. 66). 47
"For Scientists E v e r y w h e r e "
Contact Type For all Burrell Build-up and Cabinet m o d e l gas analysis apparatus. T h i s improved de sign is manufactured by Burrell from Pyrex Brand glass. Cat. N o . 40-130 Each—6.50
C-RO
m
POLISHING
Conta ci Type
COMPOUND
Uniform particles provide fast and sure cutting action. Can be used diluted o r concentrated o n h a r d o r soft metallurgical specimens. Cat. N o . 53-585 4 Oz.—5.00 8 Oz.—9.50 lb.—18.00
BURRELL AIR-JET SPECIMEN
DRYER
A convenient multi-use dryer. Jet-blasts h o t o r cold air instantly by finger-tip control. Tilts t o any angle. H o l d it in your hand o r stand it o n your bench. Cat. N o . 53-531 Each—19.95
BURRELL SCIENTIFIC
2223
Manufacturers APPARATUS
CORPORATION and Distributors of and LABORATORY
CHEMICALS
Fifth Av e n u e , P i t t s b u r g h 1 9 , P e n n s y l v a n i a