6 Scientific Works published by Longmans, Green, & Co. 

PHYSICS, ETC.—Condinued. 
WATSON.—Works by W. WATSON, A.R.C.S., F.R.S., D.Sc., 
Assistant Professor of Physics at the Royal College of Science, 
London. 
ELEMENTARY PRACTICAL PHYSICS: a _ Laboratory 
Manual for Use in Organised Science Schools. With 120 Illustrations and 
193 Exercises. Crown 8vo., 25. 6d. 
A TEXT-BOOK OF PHYSICS. With 568 Diagrams and 
Illustrations, and a Collection of Examples and Questions with Answers. 
Large crown 8vo., Ios. 6d. 
WORTHINGTON.—A FIRST COURSE OF PHYSICAL 
LABORATORY PRACTICE. Containing 264 Experiments. By A. M. 
WORTHINGTON, M.A., F.R.S. With Illustrations. Crown 8vo., 4s. 6d. 
WRIGHT.—ELEMENTARY PHYSICS. By Mark R. 
Wricnt, M.A., Professor of Normal Education, Durham College of Science. 
With 242 Illustrations. Crown 8vo., 2s. 6d. 
MECHANICS, DYNAMICS, STATICS, HYDRO- 
STATICS, ETC. 
BALL—A CULASS-BOOK OF MECHANICS. By Sir R. S. 
BALL, LL.D. 89 Diagrams. Fep. 8vo., 15. 6d. 
GOODEVE.—Works by T. M. GOODEVE, M.A., formerly 
Professor of Mechanics at the Normal School of Science, and 
the Royal School of Mines. 
THE ELEMENTS OF MECHANISM. With 357 Illustra- 
tions. Crown 8vo., 6s. 
PRINCIPLES OF MECHANICS. With 253 Illustrations and 
numerous Examples. Crown 8vo., 6s. 
A MANUAL OF MECHANICS: an Elementary Text-Book 
for Students of Applied Mechanics. With 138 Illustrations and Diagrams, 
and 188 Examples taken from the Science Department Examination Papers, 
with Answers. Fep. 8vo., 25. 6d. 
GOODMAN.—MECHANICS APPLIED TO ENGINEERING. 
By JOHN GOODMAN, Wh.Sch., A.M.I.C.E., M.I.M.E., Professor of Engineering 
in the Yorkshire College, Leeds (Victoria University). With 620 Illustrations 
and numerous examples. Crown 8vo., 75. 6d. net. 

GRIEVE.—LESSONS IN ELEMENTARY MECHANICS. 
By W. H. GRIEVE, late Engineer, R.N., Science Demonstrator for the London 
School Board, ete. 
1. With 165 Illustrations and a large number of Examples, Fep. 8vo., 
1s. 6d. 
Stage 2. With 122 Illustrations. Fep. 8vo., 1s, 6d, 
Stage 3. With 103 Illustrations. Fcp. 8vo., 15. 6d. 
