lubrication

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.