ob, Tobacco, Snuff, Sugar, Salts, Roots, Spices, Coffee, Cocoanut,
Flaxseed, Asbestos, Mica, etc., and whatever cannot be ground by other
mills. Also for Paints, Printers' Inks, Paste Blacking, etc. JOHN W.
THOMSON, successor to JAMES BOGARDUS, corner of White and Elm Sts. New
York.

* * * * *

_WORKING MODELS_

And Experimental Machinery, Metal or Wood, made to
order by J.F. WERNER, 62 Center St., N.Y.

* * * * *

EAGLE FOOT LATHES,

[Illustration: Eagle Foot Lathe]

With Scroll and Circular Saw Attachments, Slide Rest, Tools, &c.; also
Small Engine Lathes, Metal Hand Planers, &c. Neatest designs, superior
finish. LOW PRICES. Our new Catalogue describes these and every tool
necessary for the Amateur or Artisan. Send for it.

WM. L. CHASE & CO., 95 & 97 Liberty St. New York.

* * * * *

PYROMETERS

For showing heat of Ovens, Hot Blast Pipes, Boiler Flues, Super-Heated
Steam, Oil Stills, &c. HENRY W. BULKLEY. Sole Manufacturer, 149
Broadway, New York.

* * * * *

PROSPECTUS
OF THE
SCIENTIFIC AMERICAN
For 1877,
THE MOST POPULAR SCIENTIFIC PAPER IN
THE WORLD.
----
THIRTY-SECOND YEAR.
----
VOLUME XXXVI.--NEW SERIES.
----

The publishers of the SCIENTIFIC AMERICAN beg to announce that on the
sixth day of January, 1877, a new volume was commenced. It will
continue to be the aim of the publishers to render the contents of the
new volume more attractive and useful than any of its predecessors.

_To the Mechanic and Manufacturer._ No person engaged in any of the
mechanical pursuits should think of doing without the SCIENTIFIC
AMERICAN. Every number contains from six to ten engravings of new
machines and inventions which cannot be found in any other
publication.

TERMS OF SUBSCRIPTION. One copy of the SCIENTIFIC AMERICAN will be
sent for _one year_, 52 numbers, POSTAGE PREPAID, to any subscriber in
the United States or Canada, on receipt of _three dollars and twenty
cents_ by the publishers.

_One extra copy_ of the SCIENTIFIC AMERICAN will be supplied gratis
_for every club of five subscribers_ at $3.20 each; or six copies for
$16.50 without extra copy. Postage free.

THE SCIENTIFIC AMERICAN SUPPLEMENT.

A weekly paper, uniform in size with the SCIENTIFIC AMERICAN, but a
distinct publication. It contains working drawings of engineering
works, and elaborate treatise