and cover of the same, as and for the purposes described.

3d, The combination of the wires, a a a' a', with each other,
receptacle, A, and cover of same, as shown and described.


71,882.--COPY BOOK.--Benj. G. Howes, Worcester, Mass.

I claim the copy book, constructed substantially as described.


71,883.--PETROLEUM GAS BURNER.--G. A. Hyver, New Orleans, La.

I claim, 1st, The combination of the pipe, D, when filled with finely
broken charcoal, with the concentric or annular chamber, F, the latter
being provided with pipes, b, extending upwardly into the cup furnace or
heat retort, H, as and for the purpose substantially as set forth.

2d, The combination of the pipe, D, when filled with finely broken
charcoal, the concentric or annular chamber, F, pipes, b, and pipe, d,
with the gas pipe, c, when the latter is provided with the valve, J, for
regulating the flow of gas, as and for the purpose described.

3d, The gas pipe, c, when constructed and arranged with relation to the
chamber, F, and one of the pipes, b, as described, in combination with
the valve, J, for the purpose set forth.

4th, The combination of the concentric or annular chamber, F, and
pipes, b, with the cup furnace or heat retort, H, when the latter is
constructed as described, and shown upon the drawings, and occupies the