_The Topographer, his Instruments and Methods_, designed for the use of Students, Amateur Photographers, Surveyors, Engineers, and all persons interested in the location and construction of works based upon Topography. _Ill.u.s.trated with numerous plates, maps, and engravings._ By LEWIS M. HAUPT, A.M. 8vo, cloth, 18_s._
_A Text-Book of Tanning_, embracing the Preparation of all kinds of Leather. By HARRY R. PROCTOR, F.C.S., of Low Lights Tanneries. _With ill.u.s.trations._ Crown 8vo, cloth, 10_s._ 6_d._