Robert Hardwicke, 192, Piccadilly, w. 



Chemistry. 



Three Parts, 2d. each ; complete, 6d. ; cloth, 8d, An introduction to Chemistry, 

 including a popular summary of animal and vegetable physiology, accompanied 

 by various chemical tables, with numerous illustrations. Containing: — Acids — 

 Albumen — Alcohol— Alkoloids — Atomic theory — Attraction, chemical — Bases — 

 Binary compounds— Carbon — Chemical affinity — Clays — Classification of metals — 

 Colouring metals— Combustion — Divisibility of matter — Elective attraction — 

 Electro-chemistry — Elementary bodies — Elements — Fermentation — Fixed oils — 

 Forms of matter — Gaseous combinations — Hydrogen — Intermediate Elements — 

 Life — Matter — Nitrogen — Nomenclature — Oils and fat — Organization — Oxidation 

 — Oxygen— Primary compounds— Products of fermentation— Proximate elements 

 — Salts — Simple substances — Specific gravities, tables of — Spontaneous combus- 

 tion — Starch — Theory of the Ethers — Vegetable acids, &c. &c. — and other very 

 useful information. 144 closely but clearly printed pages. Fully illustrated. 



Pneumatics. 



Fully Illustrated. Complete,2d.; cloth, 4d. 



Hydraulics. 



Fully Illustrated. Complete, 2d.; cloth, 4d. 



Optics. 



Fully Illustrated. Two parts, 2d. each ; complete, 4d. ; cloth, 6d. 



Other TForks of a similar character are in preparation, and tvill 

 shortly be announced. 



INTENDED FOR SCHOOLS OR SELF-INSTRUCTION. 



Mackenzie's Educational Books. 



ALREADY PUBLISHED, 



Mackenzie's Tables. 



Commercial, Arithmetical, Miscellaneous, and Artificers'. Calculations in 

 Bricklaying, Carpentery, Lathing, Masonry, Paper-hanging, Paving, Planting, 

 Plastering, Slating, Tiling, Well-sinking, Digging. &c. &c. Fractions and 

 Decimals. Forms of Receipts and Bills. Calculations on Man, Steam, Rail- 

 ways, Power, Light, Wind, &e. Language and Alphabets. Calendar of the 

 Church. Scripture Money. Principal Foreign Moneys and Measures. Geo- 

 graphical and Astronomical Tables, &c. &c. Complete, price 2d, 



Murray's Englisli Grammar. 



Complete, word for word with the Shilling Editions. Price 2d, 



Mavor's Spelling. 



With numerous Cuts. Price 4d., or 2 parts 2d, each, 



Walkinghame's Arithmetic. 



Same as the Half-crown Edition, Price id,, or 2 parts 2d, each, 



Short-Hand. 



With Phrases and Exercises, to gain facility in the use of all the characters, by 

 which perfection may soon be attained. Complete, price 2d. 



Phrenology 



Explained and Exemplified. Complete, price 2d, 



Bookkeeping 



By Single Entry, with explanations of Subsidiary Books, being a useful system 

 for the Wholesale and Retail Shopkeeper. Complete, price 2d. 



hW^ 



