2d, The sleeve or thimble, A, in combination with the end pieces, B, substantially as shown and described, and for the purposes set forth.
3d, The shoulder, a1, and the shoulder, a2, in combination with the sleeve A, and end pieces, B, substantially as shown and described, and for the purposes set forth.
72,080.--RAILWAY CHAIR.--Leander Pollock, (assignor to himself and John P. Schenck, Jr.), Matteawan, N.Y.
I claim 1st, A railroad-chair which is divided by an inclined line drawn through the base, into two parts, A and B, each part carrying one of the cheeks, and all made and operating substantially as herein shown and described.
2d, Interposing an elastic plate, g, between the edge of the upper base, d, and the stationary cheek, a, substantially as and for the purpose herein shown and described.
72,081.--VENTILATING HAY-MOWS.--Geo. Race, Norwich, N.Y.
I claim making vertical perforated pipes, having lateral branches extending out from the main pipe for the purpose of ventilating hay-mows, and stacks of hay or grain, substantially as herein set forth.
72,082.--PNEUMATIC CAR.--Louis Ransom, Lansingburg, N.Y.
I claim in combination with a pneumatic car, a series of metal cylinders for containing compressed air, the said cylinders being connected by pipes, so as to form one common reservoir substantially as described.
2d, I also claim the combination, with a stove for warming the car, or other heating apparatus, a conducting pipe, for the compressed air, so located with reference to the stove or other heating apparatus that the compressed air in passing through it will become heated, and have its expansive power increased thereby, substantially as described.