The Elswick Series is intended to supply Teachers and Students with good books, void of cram. They will be issued as rapidly as is consistent with the caution necessary to secure accuracy. A great aim will be to adapt them to modern requirements and improvement, and to keep abreast with the latest discoveries in Science, and the most recent practice in Engineering.

PRACTICAL AND THEORETICAL TRIGONOMETRY. By HENRY EVERS, LL.D., Author of "Steam," "Navigation," etc.

_The following Works may be expected to appear shortly--_

MANUAL OF STEAM AND PRIME MOVERS. By HENRY EVERS, LL.D., Author of "Steam," "Navigation," etc.

ALGEBRA (an ELEMENTARY TREATISE). By Professor R.H. JUDE, of Huddersfield Technical College, M.A. Cantab., D.Sc. London.

DESCRIPTIVE GEOMETRY. By T.H. EAGLES, M.A., Instructor in Geometrical Drawing and Lecturer in Architecture at the Royal Indian Engineering College, Cooper's Hill.

THEORETICAL MECHANICS. By W.M. MADDEN, M.A., Cantab.

Wrangler, Scholar of Queen's, etc.

ELEMENTARY LECTURES OF PHYSICS AND ELECTRICITY. By WILLIAM JOHN GREY, F.C.S., etc., Silver Medallist.

_Others are in preparation or consideration, such as--_

MACHINE DESIGN. By H. FOSTER, M.E. and D. Medallist.

BUILDING CONSTRUCTION. By T.N. ANDREWS, Esq.

SPRINGS: IRON AND STEEL.

APPLIED MECHANICS. By HENRY EVERS, LL.D., Medallist.

A COURSE OF QUALITATIVE a.n.a.lYSIS. By W.J. GREY, F.C.S.

Medallist, etc.

INORGANIC CHEMISTRY. By W.J. GREY, F.C.S. Medallist, etc.

ANIMAL PHYSIOLOGY. By CHARLES J. EVERS, M.B., M.R.C.S.

(London), Medallist, etc.

A SERIES OF PRACTICAL LESSONS FOR BLACKBOARD TEACHING OF MACHINE DRAWING.