22 



WORKS IN MATHEMATICS, ETC., 



Co7nprehe7isive Discount Gtdde, 



THE DISCOUNT GUIDE : comprising several Series of Tables 

 for the use of Merchants, Manufacturers, Ironmongers, and others, 

 by which may be ascertained the exact profit arising from any mode 

 of using Discounts, either in the Purchase or Sale of Goods, and 

 the method of either Altering a Rate of Discount, or Advancing a 

 Price, so as to produce, by one operation, a sum that will realise 

 any required profit after allowing one or more Discounts : to which 

 are added Tables of Profit or Advance from i J to 90 per cent., 

 Tables of Discount from I ^ to 98I per cent., and Tables of Commis- 

 sion, &c., from \ to 10 per cent. By Henry Harben, Accountant, 

 Author of "The Weight Calculator." New Edition, carefully Re- 

 vised and Corrected. In a handsome demy 8vo. volume (544 pp.), 

 strongly and elegantly half-bound,;,^ I ^s. 



Inwood's Tables, greatly enlarged and improved. 



TABLES FOR THE PURCHASING of ESTATES, Freehold, 

 Copyhold, or Leasehold ; Annuities, Advowsons, &c. , and for the 

 Renewing of Leases held under Cathedral Churches, Colleges, or 

 other corporate bodies ; for Terms of Years certain, and for Lives ; 

 also for Valuing Reversionary Estates, Deferred Annuities, Next 

 Presentations, &:c., together with Smart's P^ive Tables of Compound 

 Interest, and an Extension of the same to Lower and Intermediate 

 Rates. By William Inwood, Architect. The 20th edition, "v\âth 

 considerable additions, and new and valuable Tables of Logarithms 

 for the more Difiacult Computations of the Interest of Money, Dis- 

 count, Annuities, &c., by M. Fedor Thoman, of the Société 

 Crédit Mobilier of Paris. i2mo, 8j". cloth. 

 ** Those interested in the purchase and sale of estates, and in the adjustment of 



compensation cases, as well as in transactions in annuities, life insurances, &c,, will 



find the present edition of eminent service." — Enginee-ring. 



" ' Inwood's Tables' still maintain a most enviable reputation. The new issue has been 



enriched by large additional contributions by M. Fedor Thoman, whose carefully 



arranged Tables cannot fail to be of the utmost ntiMty." —Mmhigyournal. 



Geometry for the Architect, Engineer, âfc. 



PRACTICAL GEOMETRY, for the Architect, Engineer, and 

 Mechanic ; giving Rules for the Delineation and Application of 

 various Geometrical Lines, Figures and Curves. By E. W. Tarn, 

 M.A., Architect, Author of "The Science of Building," &c. 

 With 164 Illustrations. Demy 8vo. 12s. 6d., cloth. 

 " No book with the same objects in view has ever been published in which the 

 clearness of the rules laid down and the illustrative diagrams have been so satis- 

 factory. " — Scotsman. 



Compound Interest and Annuities, 



THEORY of COMPOUND INTEREST and ANNUITIES ; 

 with Tables of Logarithms for the more Difficult Computations of 

 Interest, Discount, Annuities, &c., in all their Applications and 

 Uses for Mercantile and State Purposes. With an elaborate Intro- 

 duction. By FÉDOR Thoman, of the Société Crédit Mobilier, 

 Paris. 3rd Edition, carefully revised and corrected. i2mo, 45-. ô^a?"., cl. 

 A very powerful work, and the Author has a very remarkable command of his 

 subject." — Professor A. de Morgan. 



" We recommend it to the notice of actuaries and accountants." — Athenceum. 



The above bound vvith Lintern's Mineral Surveyor. 

 (Seepage 10.) Price 7^-. 6^/. cloth. 



