ENGINEERING A ND NECHANIOS.
33
In Crown 8w, Handsome Cloth. With Numerous
Illustrations, 55. net.
EMERY GRINDING MACHINERY.
A Text-Book of Workshop Practice in General Tool Grinding,
and the Design, Construction, and Application
of the Machines Employed.
BY
R. B. HODGSON, A.M.Inst.Mech.E.,
Author of “ Machines and Tools Employed in the Working of Sheet Metals.’
Introduction. —Tool Grinding.—Emery Wheels.—Mounting Emery Wheels.
—Emery Rings and Cylinders. — Conditions) to Ensure Efficient Working.—
Leading Types of Machines. —Concave and Convex Grinding.—Cup and Cône
Machines. — Multiple Grinding. — "Guest” Universal and Cutter Grinding
Machines. —Ward Universal Cutter Grinder, — Press. — Tool Grinding. — Lathe
Centre Grinder. —Polishing. —Index.
“ Deals practically with every phase of his subject.”—Ironmonger
Fifth Edition. Folio, strongly half-bound, 21/.
TRAVERSE TABLES:
Computed to Four Places of Decimals for every Minute
of Angle up to 100 of Distance.
For the use of Surveyors and Engineers.
BY
RICHARD LLOYD GURDEN,
Authorised Surveyor for the Governments of New South Wales and
Victoria.
*,* Pubtished with the Concurrence of the Surveyors-General for New South
Wales and Victoria.
“Those who have expérience in exact Survbv-work will best know how to appreciate
the enormous amount' of labour represented by this valuable book. The computations
enable the user to ascertain the sines and cosines for a distance of twelve miles to within
nalf an inch, and this by rbfbrkncb TO BUT One Table, in place oi the usual Fifteen
minute computations required. This alone is evidence of the assistance which the lables
ensure to every user, and as every Surveyor in active practice has telt the want of such
assistance few knowing of their publication will remain without them.
—Engineer.
LONDON: CHARLES GRIFFIN & CO., LIMITED, EXETER STREET. STRAND.