20 WORKS PUBLISHED BY LOCKWOOD & CO. 



Engineer s Assistant. 



THE ENGINEER'S, MILLWRIGHT'S, and MACHINIST'S 

 PRACTICAL ASSISTANT ; comprising a Collection of Useful 

 Tables, Rules, and Data. Compiled and Arranged, with Original 

 Matter, by W. TEMPLETON. 5th Edition. i8mo, zs.bd. cloth. 



" So much varied information compressed into so small a space, and published at a 

 price which places it within the reach of the humblest mechanic, cannot fail to com- 

 mand the sale which it deserves. With the utmost confidence we commend this book 

 to the attention of our readers." Mechanics' Magazine. 



" Every mechanic should become the possessor of the volume, and a more suitable 

 present to an apprentice to any of the mechanical trades could not possibly be made." 

 Building News. 



Designing, Measuring, and Vahting. 



THE STUDENT'S GUIDE to the PRACTICE of MEA- 

 SURING, and VALUING ARTIFICERS' WORKS; containing 

 Directions for taking Dimensions, Abstracting the same, and bringing 

 the Quantities into Bill, with Tables of Constants, and copious 

 Memoranda for the Valuation of Labour and Materials in the re- 

 . spective Trades of Bricklayer and Slater, Carpenter and Joiner, 

 Painter and Glazier, Paperhanger, &c. With 43 Plates and Wood- 

 cuts. Originally edited by EDWARD DOBSON, Architect. New 

 Edition, re-written, with Additions on Mensuration and Construc- 

 tion, and several useful Tables for facilitating Calculations and 

 Measurements. By E. WYNDHAM TARN, M.A., Architect. 8vo, 

 IDs. 6d. cloth. [Recently published. 



" This useful book should be in every architect's and builder's office. It contains 

 a vast amount of information absolutely necessary to be known." The Irish Builder. 



" The book is well worthy the attention of the student in architecture and surveying, 

 as by the careful study of it his progress in his profession will be much facilitated." 

 Mining Journal. 



" We have failed to discover anything connected with the building trade, from ex- 

 cavating foundations to bell-hanging, that is not fully treated upon in this valuable 

 work." The Artizan. 



" Mr. Tarn has well performed the task imposed upon him, and has made many 

 further and valuable additions, embodying a large amount of information relating to 

 the technicalities and modes of construction employed in the several branches of the 



building trade From the extent of the information which the volume 



embodies, and the care taken to secure accuracy in every detail, it cannot fail to prove 

 of the highest value to students, whether training in the offices of provincial surveyors, 

 or in those of London practitioners." Colliery Guardian. 



" Altogether the book is one which well fulfils the promise of its title-page, and we 

 can thoroughly recommend it to the class for whose use it has been compiled. Mr. 

 Tarn's additions and revisions have much increased the usefulness of the work, and 

 have especially augmented its value to students. Finally, it is only just to the pub- 

 lishers to add that the book has been got up in excellent style, the typography being 

 bold and clear, and the plates very well executed." Engineering. 



Superficial Measurement. 



THE TRADESMAN'S GUIDE TO SUPERFICIAL MEA- 

 SUREMENT. Tables calculated from i to 200 inches in length, 

 by I to 108 inches in breadth. For the use of Architects, Surveyors, 

 Engineers, Timber Merchants, Builders, &c. By JAMES HAW- 

 KINGS. Fcp. 3-r. 6d. cloth. 



