Steam And Oil In The Balance

We Draw Comparisons, In Respect of Torque and Tractive Effort as Related to Engine and Road Speeds, Between a Well-known Steam Lorry and a Typical First-class Oiler C ONCESSIONS......

A Sliding-vane Hydraulic C - Lutch T He Idea Of Employing...

of hydraulic pump as a part of the automobile transmission system is almost as old as the industry, but an application of this principle which has been invented and patented by......