. W. W., W. A. A., G. H. F.
House Warming. By H. B. F.
The Injector. By M. A. B.
Columbus' Problem; Cure for Diphtheria; The Mullein
Cure for Consumption. By R. W. L.
A Visit to Tula. By L. R.
On Vacuum in Pumps and the Atwood Machine. By P. J. D.
On the Patent Bill. By R.

* * * * *

[OFFICIAL.]

INDEX OF INVENTIONS

FOR WHICH

LETTERS PATENT OF THE UNITED STATES WERE GRANTED IN THE WEEK ENDING

February 18, 1879,

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.

Air heater, W. Pickhardt 212,499
Anchor, A. F. White 212,340
Animal trap, S. J. Bennett 212,430
Axle box, vehicle, P. K. Hughes 212,382
Axle, carriage, C. H. Kendall 212,387
Axle for wagons, trussed, J. Herby 212,378
Axle, vehicle, C. H. Kendall 212,386
Barrel cover, C. Brinton 212,350
Bed bottom, J. Flinn 212,451
Bed bottom, spring, W. B. Crich 212,443
Bedstead, sofa, A. N. Hornung 212,312
Bedstead, wardrobe, H. P. Blackman 212,348
Belt hook templet, E. Card 212,353
Boot and shoe laster, L. Graf 212,460
Boot and shoe sole polisher, etc., O. Gilmore 212,372
Boot and shoe sole edge trimmer, C. H. Helms 212,311
Boot fronts, cutting in, C. H. Colburn 212,357
Boot, India-rubber, G. Watkinson (r) 8,587
Bottle filler, W. S. Paddock 212,494
Bread board, H. Van Doren 212,334
Brick, shed for drying, C. H. Roselius 212,511
Bridge gate, A. Stempel 212,329
B