McLaughlin Manufacturing of Berkeley, California

The McLaughling Manufacturing Co. made steam tractors and steam traction engines

Blueprint of a McLaughlin steam traction engine
Among the fantastic photos Ed McLaughlin sent for this issue's story on the McLaughlin Manufacturing Co. was this blueprint of a McLaughlin steam traction engine as drawn by company founder Dennis W. McLaughlin. No date appears on the blueprint, but it is presumed to date from sometime around 1902 as we can find no mention of the company prior to that time.