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SEMICARBAZIDE HYDROCHLORIDE
P u b l i c a t i o n s should b e requested from t h e c o m p a n y conccriicil. U s e business stationery, give subjects o r titles, m e n t i o n bulletin n u m b e r s , a n d refer to t h i s j o u r n a l . P u b l i c a t i o n s arc free u n l e s s o t h e r w i s e n o t e d .
St., New York S , N . Y. Thermocouples. 2G-page bulletin on thermocouples and accessories with sections on thermoelements, standard insulators, protection tubes, terminal heads, assembled thermocouples, and methods of installing thermocouples. Bulletin S30-C CEN-4-21.
;£ -*
NORTHERN EQUIP-
6
grams. Bulletin 5 CE N-4-21. LIQUID CONDITIONING CORP., 114 East Price St., Linden,
N. J. Weights and Measures. 2S-page catalog of standards of weights and measures both for volume and for length. Bulletin 1500 CEN-4-21. W. «fc L. E. GURLBY, Troy. N. Y. Whiteprints. Folder describing unit for large-volume production of the 15 types of Ozalid prints. Folder "22" CEN-4-21.
UJ
m§ UA t o _o
UJ
BAILEY M E T E R CO., 1050
Z
13
o
SPRAYS
4-21.
105-B CEN-4-21.
£
—
P0SITI0
Rd., Cleveland 10, Ohio. Surface-Active Agents. Compilation on about 350 cards of all surface-active agents known to be available at the present time, with information on chemical and physical properties, composition, stability, use, classification, and general cost. File CEN-
MAIL mi RE QUESTU
STICS
BAILEY METER Co., 1050 Ivanhoe
COCHRANE CORP.,
17th St. & Allegheny Ave., Philadelphia 32, Pa. Water Control. Bulletin on 3-clement airoperated feed water control, with chart records showing actual operation and description of advantages including avoidance of serious water level fluctuations and lack of effect of excess pressure variations. Bulletin
PAINTS or
4-21.
cation 8000 CEN-4-21.
"ANTS
Stoker Control. Folder on "Control for Spreader Stokers" giving data on automatic control layouts. Bulletin 1022 CEN-
600 F E R R Y S T . , NEWARK 5, N . J .
DISINF
& PORTER CO., Hatboro, Pa.
MANUFACTURING CHEMISTS
CLAROSTAT MFG. C O . , INC., 130 Clinton
St., Brooklyn 2, N. Y. Water Conditioning. 08-page illustrated booklet on hot process water softeners for removal of hardness, corrosive gases, silica, and other scale-forming materials from boiler feed and industrial process waters. Publi-
M or C
GLASS C O . , Columbia Chemical Division, Fifth Ave. at Bellefield, Pittsburgh 13. Pa. Specific Gravity Testers. Circular giving dimensional and operational details of continuous liquid specific gravity indicator. Catalog Section 9t-B CEN-4-21. FISCHER
21.
FAIRMOUNT CHEMICAL CO., INC.
LEATHER
PITTSBURGH PLATE
SORENSON & Co., INC., 375 Fairfield Ave.,
Stamford. Conn. Volume Control. Set of cards with complete cross-index of corresponding type numbers of four leading volume control manufacturers. Cross-Index Guide CEN-4-
ADHESIVES
CE N-4-21.
HYDRAZINE SULFATE HYDRAZINE HYDRATE SODIUM AZIDE
RFUM
Forms
Wheeler Point Rd., Newark 5, N. J . Vitamin C. 12-page technical pamphlet on "Retention of Vitamin C in Tomato Juice", by L. E. Clifcorn and G. T. Paterson. Bulletin 12 CEN-4-21. CONTINENTAL CAN CO., INC., Research Department, 100 East 42nd St., New York 17, N . Y. Voltage Regulators. 15-pagc catalog of electronically controlled voltage regulators and Nobatrons, illustrated with performance curves. Catalog S 2-47 CEN-4-21.
New Yo
STRUTHERS WELLS CORP., Warren, Pa.
Soda Products. Pamphlets with descriptive information on caustic soda (Form A102), soda ash (A-202), caustic ash (A-302), modified sodas (A-322), liquid chlorine (A502), and sodium bicarbonate (A-C02).
Use: Separation of ketones and aldehydes, forming characteristic well crystallizing compounds which can again be readily decomposed.
J. B. SHOHAN LABORATORIES, 7S
JTRALIZE e send d
