Works by Professor Galloway. 
Recently published, price 6s. 
A TREATISE ON FUEL : Scientific and Practical. With 
Illustrations drawn to scale. 
In this work the best methods of estimating the heating power of fuel, 
and the technical examination and analysis of the different varieties of 
■coal are fully described; and among the illustrations drawn to scale are 
Siemens’s Regenerative Gas Furnace, Pyrometer, &c., with complete 
descriptions. 
Recently published, price ios. 6d. 
EDUCATION, SCIENTIFIC AND TECHNICAL: or, How 
the InduCtive Sciences are Taught, and How they Ought to be Taught. 
In preparation , 
THE STUDENT’S MANUAL OF THE NON-METALS. 
This work is constructed on a new and more systematic plan than has 
•been adopted in any previous text-book on these elements and their 
compounds. 
Publishers: TRUBNER & CO., London. 
In Royal 8vo., price 3s. 6d. cloth (post free, 3s. iod.), 
MICROSCOPICAL MANIPULATION. 
By W. T. SUFFOLK, F.R.M.S. 
Illustrated with Forty-nine Engravings and Seven Lithographs. 
Chapter I. — Construction of Microscope. Chapter II. — Mechanical Processes. 
Chapter III. — Mounting ObjeCIs Dry and in Balsam. Chapter IV. — Mounting 
Objects in Fluid. Chapter V. — Illuminating Apparatus. Chapter VI. — 
Polarised Light. Chapter VII. — Drawing and Micrometry. Appendix. 
London : E. J. DAVEY, Boy Court, Ludgate Hill, E.C. 
A High-Class Spiritualist Journal . 
LIGHT: 
A Weekly Journal devoted to the Highest 
Interests of humanity both here and hereafter. 
“ LIGHT ! MORE LIGHT ! "—Goethe. 
The Contents of the paper comprise (1). Original Articles on the Science 
and Philosophy of Spiritualism. (2). Records of FaCts and Phenomena, both 
Physical and Mental. (3.) Miscellaneous Literature connected with the 
movement, including Poetry and Fiction. (4;. Reviews of Books. (5). Resume 
of the Periodical Press, both British and Foreign, devoted to Spiritualism and 
allied subjects. (6). Questions and Answers. 
Price 2d., or 10s. lod.per annum, post free. 
London : E. W. ALLEN, n, Ave Maria Lane, E.C. 
