ries analogous to the following are sent: "Who sells
a tool for truing up a crosshead wrist? Who sells tools for refitting
steam valves without unscrewing them from the pipes? Who sells
spoke-turning lathes? Who makes machinery for freeing wool of burrs
and dirt? Where can tungsten, or tungsten steel, be procured, and at
what price? Who sells silicate of alumina and silicate of potash?" All
such personal inquiries are printed, as will be observed, in the
column of "Business and Personal," which is specially set apart for
that purpose, subject to the charge mentioned at the head of that
column. Almost any desired information can in this way be
expeditiously obtained.

* * * * *

OFFICIAL.

INDEX OF INVENTIONS
FOR WHICH
LETTERS PATENT OF THE UNITED STATES WERE GRANTED IN THE WEEK ENDING
January 18, 1877,
AND EACH BEARING THAT DATE.

[Those marked (r) are reissued patents.]

* * * * *

A complete copy of any patent in the annexed list, including both the
specifications and drawings, will be furnished from this office for
one dollar. In ordering, please state the number and date of the
patent desired, and remit to Munn & Co., 37 Park Row, New York city.

* * * * *

Abdominal corset, C. Lascell 186,258
Acoustic telegraph, T.A. Edison 186,330
Advertising card, H. Mahler 186,209
Air compressor, J. Clayton 186,306
Air compressor, W.F. Garrison 186,336
Animal trap, T.N. Hughes 186,252
Annealing furnace, H.B. Chess 186,404
Atomizer, W. Kennish 186,208
Axle tree, trussed, J.B. Brewster 186,227
Barbed fence, C.F. Washburn 186,389
Bee hive, G.W. Akins 186,223
Belt shipping attachment, R. Denmark 186,318
Blotter and paper clip, C.B. Farrington 186,288
Bone black, cooling, C. Doscher 186,327
Book back, metallic, I. Reynolds 186,216
Bottle and basket, E. Cusenier, Sr 186,311
Bottle for hair dye, T. Divine 186,321
Bottle stopper, E.B. Requa 186,270
Bread cutter, G.B. Heath