38 SCIENTIFIC HOOKS FUBLISIIED BY 
Engineering Facts and Figures. 
18mo. Cloth. $2.50 per Volume. 
AN ANNÜAL REGISTER OF PROGRESS IN MECHANI- 
CAL ENGINEERING AND CONSTRUCTION, for the Years 
1863-64-65-66-67-G8. Fully illustrated. G volumes. 
Each volume sold separately. 
Beckwith’s Pottery. 
8vo. Paper. 60 centa. 
OBSERVATIONS ON' THE MATERIALS and Manufacture of 
Terra-Cotta, Stone-Ware, Fire-Brick, Porcelain and Encaustic 
Tiles, with Remarks on the Products exhibited at the London 
International Exhibition, 1871. By Arthur Beckwith, Civil 
Engineer. 
“ Everything is noticed in this book which comes under the head of Pot 
tery, from fine porcelain to ordinary brick, and aside from the interest which 
all tako in such manufactures, the worlc will be of considerable value to 
followers of the ceramie art.”—Eeeninr/ Mail. 
Dodd’s Dictionary of Mamifactures, etc. 
12mo. Cloth. $2.00. 
DICTIONAEY OF MANUFACTUEES, MINING, MACHIN- 
EEY, AND THE INDÜSTEIAL AETS. By George Dödd. 
This work, a small book on a great subject, treats, in alphabetical ar- 
rangement, of those numerous matters which come generally within the ränge 
of manufactures and the productive arts. The raw materials—animal, vege- 
table, and mineral—whence the manufactured products are derived, are suc- 
cinctly noticed in connection with the processes which they undergo, but not 
as subjects of natural history. The operations of the Mine and the Mill, the 
Foundry and the Forge, the Factory and the Workshop, are passed under re- 
view. The principal machines and engines, tools and apparatus, concemed in 
manufacturing processes, are briefly described. The scale on which our chief 
branches of national industry are conducted, in regard to values and quantities, 
is indicated in various ways.