The symbol on an address card of an ink factory by Prof. Hammer of Carlsruhe.
The fresco bristle brushes are round shaped with either short, medium or long bristles. They are used…
Details of brushes and brush switches, Delco Single-Unit System.
End view of Delco starting motor, showing commutator and brushes.
A French wood carved door head from the 18th century.
The electrical symbol for a generator, commutator, and brushes.
A brush for smoothing the hair.
Method of sanding-in brushes.
Modern symbols of sculpture and painting by sculptor Hauptmann.