This machine trims off the rough edges of the "waney" boards by means of the four saws in the main frame of the machine.] [Illustration: Fig.44.Automatic Steam Transfer for Timber, Lumber and Slabs.

The boards are carried along by the cylinders, CCC, until they hit the bumper, B.This movement admits steam to the cylinder, CY, which raises the revolving chains or skids, which transfers the stock sidewise to other live rollers as required.] As the sawn boards fall off the log, they land on "live," that is, revolving rollers, which carry them along at the rate of 200 to 250 feet a minute.

Stops are provided farther along to stop the boards wherever wanted, as at the edger, Fig.

43, or the slasher.

From the live rollers the boards are transferred automatically, Fig.