How fortunate that the price of lubrication fell just in time.
Never drive when the lubrication system is working imperfectly.
First let us give a little attention to the theory of lubrication.
Neat's-foot oil comes from the feet of cattle and is also used in lubrication.
All engines of this make are provided with an automatic system of lubrication.
Lubrication is a subject that should be studied by every gas-engine user.
The latest ignition, carburetor and lubrication practice is outlined.
In these larger European motors, castor-oil is used largely for lubrication.
Lubrication of the engine is carried out by a full pressure system.
The purpose of lubrication is to reduce friction between the two surfaces in contact.