GROOMBRIDGE’S SCIENCE MANUALS. 
Designed for the use of Schools, Colleges , and Candidates 
for University and other Examinations. 
1. CHEMISTRY. — AH INTRODUCTION TO SCIENTIFIC 
CHEMISTRY. By F. S. Banff, M.A., Assistant to Dr. 
Williamson, Professor of Chemistry, University College, 
London. Second Edition, feap. 8vo, cloth, price 4s., post 
free for 48 stamps. 
“This is the first volume of an educational series of elementary treatises 
being issued for students. The student who knows Mr Barffshook in the way 
it is intended to be known will have a solid groundwork of chemical knowledge 
on which he may safely rear the more speculative branches of the science. For 
the purposes of clear instruction for preparing for the earlier examinations, and 
last, though not least, for cheapness and excellence, we heartily recommend 
Mr. Barff’s work to the notice of students.”— Lancet. 
2. HEAT.—AH INTRODUCTION TO THE SCIENCE OF HEAT. 
By T. A. Orme, Teacher of Chemistry and Experimental 
Physics, University College School, London. Fcap. 8vo, 
cloth, price 3s. 6d., post free for 42 stamps. 
The subject is so treated as to render it intelligible to all 
who have a knowledge of arithmetic ; and special attention 
is paid to those parts of the science which are practically 
useful. 
“A better or more intelligible manual than this volume it would be difficult 
to name. Mr. Orme’s book will be a welcome aid to students and an agreeable 
addition to the family library.”— Globe. 
3. MECHANICS.—AN ELEMENTARY COURSE OF THEO¬ 
RETICAL AND APPLIED MECHANICS. By Richard 
Wormell, M.A., B.Sc., Medallist in Mathematics and 
Natural Philosophy, Lond. Fcap. 8vo, cloth, price 4s., 
post free for 48 stamps. 
A suitable Text-Book for Students preparing for the 
Matriculation Examination, London; Examination in 
Science (First B.Sc.); Examination in Arts (Second B.A.) ; 
Examinations of the Science and Art Department, and the 
Competitions for the Whitworth Scholarships. 
“We have no doubt that this excellent work will be a great success. The 
introduction of the principle of limits is highly commendable. The student 
should make its acquaintance early.”— Nature. 
4. HYDROSTATICS and SOUND.—AN ELEMENTARY COURSE 
OF HYDROSTATICS AND SOUND. By Richard 
Wormell, M.A., B.Sc., Medallist in Mathematics andNatural 
Philosophy, Lond. Fcap. 8vo, cloth, price 3s., post free 
for 36 stamps. 
This book contains all that is required on these subjects 
for the B.A. and B.Sc. degrees of the University of London. 
“ The work is fully Illustrated, and, in addition to the very clear and simple 
sfvle of treatment of the sciences, the author lias given a decidedly practical 
{alue to Ins work by the insertion of a number of exercises upon each important 
wvision, many of which have been judiciously worked out as types of the best 
r-iy of solving similar problems .”—Public Opinion. 
0EOOMBRIDGE & SONS, 5, Paternoster Row, London, 
