Figure 3 is an elevation, showing that end of the machine which is at the right hand in figure 1.

Figure 4 is a vertical transverse section, showing those parts of the machine which are at the right hand of the line x x drawn across figures 1 and 2.

General description.

A is the frame of the machine, which frame should be substantially constructed to resist the vibrations of the operating parts. B is the drivingpulley, which is hung on the main shaft C of the machine, from which latter motion is communicated to the operating parts. D is the shaft of the rotary cutters, by which the lumber is planed. This shaft is made flat upon two of its sides, between its bearings, for the reception of the cutters E E, which are firmly secured to it by bolts a a, the holes through these cutters for the reception of these bolts being elongated in the direction of the width of the cutters to allow the necessary adjustment of the cutters. The shaft D is hung in adjustable bearings, by which it may be elevated and depressed to regulate the thickness of the planed lumber. F is a pulley on the shaft D, which receives motion by a belt, G, from the band-wheel H, on the driving-shaft. II and J J are the feeding-rollers, each pair of which is connected by finger-pinions b b, and the upper roller of each pair is hung in spring bearings, which allow it to yield slightly upward to pressure, to adapt it to any differences or inequalities in the thickness of the lumber. The lower roller of each pair is provided with a worm-wheel, c, which meshes into a worm or endless screw, d, on the shaft k, which is propelled by a bevel-wheel, l, on the main shaft, working into the bevel-wheel ƒ on the shaft k.

L and M are cutters hung upon vertical shafts, N and O, one set of these cutters being adapted to form a groove, and the other to form a tongue, upon the edge of the board to be operated upon. These cutters are attached to the shafts in the manner already described with relation to the cutters E E.

The shafts N and O are provided with pulleys, g g, and rotation is communicated to them by belts, h h, from pulleys, i i, on the main shaft; rotation being given in the direction of the arrow to the driving-pulley.

The lumber to be planed is introduced from the end of the machine, which is shown at the right hand in figures 1 and 2, and being grasped by the rollers I I, is by them drawn forward to the cutters E E, which, being rapidly revolved towards the advancing lumber, plane it to the proper thickness; and as the lumber continues to advance, it is grasped by the rollers J J, which aid in the feeding motion and discharge the board after

it has passed the cutters. The upper rollers I and J, being hung in spring bearings, always exert a pressure on the top of the board, and thus prevent its being raised up by the action of the cutters E E.

When the lumber is designed for floors or ceilings, or other purpose for which it is required to be matched, a tongue is formed upon one edge of it and a groove in the other by the cutters L and M, which both revolve towards the advancing board; and these operations are performed at the same time that the upper surface of the board is planed, the whole being done at a single operation.

When the lumber is required to be matched, it should be first reduced to a uniform width, and guided in its introduction into the machine by a gauge, P, attached to the bed Q of the machine.

When the lumber is not to be matched, this gauge and the cutters L and M should be taken off and dispensed with.

I claim as my invention:

Claims.

First-The combination of the cutters E E and the feeding-rollers I I and J J, substantially as and for the purpose hereinbefore set forth.

Second-The combination with the cutters E E and feeding-rollers I I and J J of the cutters L and M, substantially as and for the purpose hereinbefore set forth. WILLIAM WOODWORTH.

Witnesses: JETHRO WOOD.

OLIVER EVANS.

115. FORM OF SPECIFICATION FOR A PROCESS BY JOINT INVENTORS.

We, Marion Ellsworth, of Chicago, county of Cook, and State of Illinois, and Joseph R. Shaw, of Indianapolis, county of Marion, and State of Indiana, have invented a certain process for separating smut and all impurities from wheat, of which the following is a specification:

Take of lime, newly slaked and while yet warm, one and a half pounds to each one hundred pounds of wheat. Mix the lime well with the wheat, let it stand one hour, then pass it through a smut-mill in the usual way, and it will be found that all the lime, smut, dirt, and other impurities attached to the wheat, of every kind, and which no smut-mill, without my liming process, will fully separate, will be entirely removed, and the flour will be as white and as sweet as though made from the best of wheat.

We do not claim the smut-mill, or any improvement thereon, or any new chemical quality of lime.

Claim.

We claim as our invention the process of applying lime, when newly slaked and warm, to wheat, before passing the latter through a smut-mill, so as to cleanse the wheat from all impurities, substantially as described. MARION ELLSWORTH. JOSEPH R. SHAW.

Witnesses: MAURICE JONES.

HENRY ELIAS.

116. FORM OF SPECIFICATION FOR A COMPOSITION OF MATTER BY AN ADMINISTRATOR.

Benjamin Browning, deceased, late of Charleston, in the district of Charleston, and State of South Carolina, during his lifetime invented a certain compound called "wool oil," to be used instead of lard, rape-seed, or other oils, in the manufacture of wool.

The nature of the invention of the said Browning consists in mixing olive, lard, or rape-seed oil with a solution of oil of soap dissolved in hot

water.

To prepare the wool oil, take a quantity of oil soap of any kind, provided the quality be good, and dissolve the same in hot water, say about thirty pounds of oil soap to thirty gallons of water, or a sufficient quantity of soap to saturate the water. Then take equal parts, by measure, of olive, lard, rape-seed, or any other kind of oil which can be used on wool in the process of its manufacture, and mix it with the preparation aforesaid, to wit, the soap solution, which, after such mixture, is ready to be used on the wool with as beneficial an effect as if pure oil only had been used. This wool oil will not decompose by age, because the oil of soap neutralizes the stearine in the oil; hence there is nothing to decompose. And for the same reason spontaneous combustion cannot be produced.

Claim.

I claim as the invention of the said Benjamin Browning the manufacture or preparation of a compound, which is denominated wool oil, of the ingredients, in the proportions, and for the purposes set forth.

EBENEZER WHITNEY,

Witnesses: JOHN M. THOMPSON.

ARTHUR BARTON.

Administrator.

117. DRAWINGS ATTACHED TO THE PATENT AS PART OF THE SPECIFICATION.-When the nature of the case admits of drawings, the applicant shall furnish one copy, signed by the inventor or his attorney in fact, and attested by two witnesses, which shall be filed in the Patent Office; and a copy of said drawings, to be furnished by the Patent Office, shall be attached to the patent as part of the specification. (Act of July 8, 1870, § 27.)

118. RULES OF THE PATENT OFFICE CONCERNING THE PREPARATION OF DRAWINGS.-Drawing must be on thick, smooth drawing paper, sufficiently stiff to support itself in the portfolios of the office. It must be neatly and artistically executed, with such detached sectional views as to clearly show what the invention is in construction and operation. Each part must be distinguished by the same number or letter whenever it appears in the several drawings. The name of the invention should be written at the top, the shortest side being considered as such. This drawing must be signed by the applicant or his attorney, and attested by two witnesses, and must be sent with the specification. Tracings upon cloth pasted on

thick paper will not be admitted. Thick drawings should never be folded for transmission, but should be rolled. (Patent Office Rules, July, 1870.)

The following rules must be observed in the preparation of the drawings, in order that they may be photolithographed:

The paper must be thin Bristol board or thick drawing paper, with a smooth or calendered surface. The outlines must be executed in deep black lines, to give distinctness to the print. Pale ashy tints must be dispensed with.

In shading, lines of black ink should be used, and such lines should be distinct and sharp and not crowded. Brush shadings or shadows will not be permitted.

All colors except black must be avoided in the drawings, lettering, and signatures; violet and purple inks must not be used.

No agent's, attorney's, or other stamp must be placed, in whole or in part, within the margin.

The sheet must not be larger than ten inches by fif teen, that being the size of the patent. If more illustrations are needed, several sheets must be used. (Ib.)

119. COPIES FURNISHED BY THE OFFICE.-Copies of drawings of patents issued after January 1, 1869, will be furnished to any one at the uniform rate of twenty-five cents per sheet of standard size. (Ib.)

Copies of drawings of patents issued prior to January 1, 1869, which can be photo-lithographed, will be furnished at twenty-five cents per sheet, when ten or more copies are ordered. Single tracings of such drawings, or less than ten, will be furnished at the cost of making them. One hundred copies or more will be furnished at $10 per hundred. (Ib.)