283,126 · Ludowici · "Roofing-Tile" · Page 2

Having thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is—

1. A roofing-tile having the channel E, with a half-round rib, a, and a correspondingly corner-recessed head, K, as shown, whereby the tile may rest with its entire width on the roof and be securely held against storms or wind.

2. A roofing-tile provided with the grooves M and Q, rabbet M' and Q', and the ridges N and R at the longitudinal edges, substantially

as herein shown and described, and for the purpose set forth.

3. A roofing-tile provided with the grooves M and Q, the ridges N and R, the rabbets T, Q', M', and P at the longitudinal edges, substantially as herein shown and described, and for the purpose set forth,

WILHELM LUDOWICI.

Witnesses:

LUDWIG GELBERT, Jr.,

HAVER HOFFMANN.