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Dictionary Combination Offer An Opportunity to Obtain a Condensed Chemical Dictionary for $2.00 Less than it Ever Sold for Before N Y book mentioned below can be b o u g h t in C o m b i n a t i o n w i t h T h e Condensed Chemical D i c t i o n a r y a t a saving of $2.00 off t h e list price of t h e total purchase. T h i s offer holds good for thirty days from d a t e ( F e b r u a r y 20th, 1923), and applies only on orders received by us direct, not on orders received t h r o u g h
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To cover extra postage and packing on all books for delivery outside of the United States and Canada, add 20c when the order is under $2.50 and 30c when the order is over 52.50. This additional charge does NOT apply with respect to American Chemical Society Monographs. Motor Fuels, their Production and Technology By E U G E N E H. L E S L I E , P h . D . About 600 pages, fully illustrated. Readv for delivery about M a r c h 25th. Price $7.00. Synthetic Resins, and their Plastics By C A R L E T O N E L L I S , P h . D . About 500 pages, fully illustrated. Ready for delivery about March 15th. Price $6.00. Catalytic Action By K . G E O R G E F A L K . 146 pages. Published in 1922. Price $2.50. T h e Chemistry of the Non-Benzenoid Hydrocarbons By BEN J . T . BROOKS. 612 pages. Published in 1922. Price $7.00. Bleaching and Related Processes a s Applied to Textile Fabrics and other Materials By J . M E R R I T T M A T T H E W S , P h . D . 670 pages, fully illustrated. Published in 192]. Price $8.00. T h e Recovery of Volatile Solvents By C L A R K SHOVE R O B I N S O N . 18S pages, illus trated. Published in 1922. Price $2.50. An Advanced Laboratory Manual of Organic Chemistry By M I C H A E L H E I D E L B E R G E R , P h . D . Pub lished in February 1923. Price $2.00, T h e Chemists' Year Book, American Edition Revised by the Editorial Staff of t h e Chemical Engineer ing Catalog. 1100 pages, flexible binding. Price $6.00. Dyes, Classified by Intermediates. By R. N O R R I S S H R E V E . 632 pages. Published 1922. Price $10.00. M o d e r n Pulp and Paper Making By G. S. W I T H A M , Sr. 600 pares. 240 plates. Published 1920. Price $G.O0. Plastics, and Molded Electrical insula don By ΐ ί Τ . ι τ τ γ? H E M M I N G . 313 pages, illustrated. Published 1923. Price $5.00.
And the following A. C. S. M O N O G R A P H S now ready for Delivery: T h e Chemistry of Enzyme Actions B y K. G E O R G E F A L K . 140 pages. Published J a n . 15, 1921. Price $2.50. Chemical Effects of Alpha-Particles a n d Electrons By S A M U E L C. L I N D . ISO pages. Published M a y 1, 1921. Price $3.00. Organic Compounds of Mercury B y F R A N K C. W H I T M O R E . 397 pages. Published July 15, 1921. Price $4.50. The Properties of Electrically Conducting S y s t e m s By CHAR.LES A. K R A U S . 415 pages, illustrated. Published J u n e 26, 1922. Price $4.50. The Analysis of R u b b e r By J O H N B . T U T T L E . 158 pages. Published November 3, 1922. Price $2.50. Glue and Gelatin By J E R O M E A L E X A N D E R . 230 pages. Published February, 1923. Price £3.00. The Vitamins By H. C. S H E R M A N a n d S. L. S M I T H . 273 pages, illustrated. Published March, 1922. Price $4.00. Industrial Hydrogen By H U G H S. T A Y L O R . 210 pages, illustrated. Published December, 1921. Price $3.50. Zirconium and its Compounds By F. P . V E N A B L E . 173 pages. Published March, 1922.· Price $2.50. T h e Origin of Spectra B y PAUL D . F O O T E and F . L. M O H E E R . P u b lished Sept. 15, 1922. Price $4.50. Carotinoids and Related P i g m e n t s : T h e Chromolipoids B y L E R O Y S. P A L M E R . 295 pages, illustrated. Published December 15, 1922. Price $4.50.
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