2. The independent case or jacket (E) supported on the arm (D) of the main pipe at or near the junction of the hydrant stock therewith, substantially as shown and described.

   3. The annular yoke (B) on the valve rod (C) for steadying the rod (C), and centering the valve (G), and also preventing any vibration of said rod or valve when the hydrant is opened, as set forth.

   4. The valve (G) constructed of the two parts (N) (O) and packing (Q) in combination with the rod (C), substantially as and for the purpose set forth.

   5. The annular valve (B) and the disk-valve (G) attached to the rod (C) in combination with the escape or leak opening (J) when arranged to operate as and for the purposes set forth.

ALSO ---Letters Patent issued to S.R.C. Mathews, (Assignee of W. Race and S.R.C. Mathews), November 16, 1869.

"The detached case (E) so combined and arranged with hydrant (A) as to have an end-play or vertical motion of several inches, to compensate for the heaving by frost, the upper part of same passing outside of main stock of hydrant, so that any change in its position can be easily ascertained and the case driven back to its place without disturbing the hydrant."