For modern methods of forced lubrication see BEARINGS.
The Gillette Venus Divine has three blades, a large pivoting head and lubrication strips to help you get a clean, close shave and avoid nicks and cuts.
But a limit is put to th~ diminution of the radii of journals and pivots by the conditions 01 durability and of proper lubrication, and also by conditions 01 strength and stiffness.
Its viscid character, and its non-liability to dry and harden by exposure to air, also fit it for various other uses, such as lubrication, &c., whilst its peculiar physical characters, enabling it to blend with either aqueous or oily matters under certain circumstances, render it a useful ingredient in a large number of products of varied kinds.
These can be used as a lubrication for doors and hinges.