Angle Lamps were a product of The Angle Lamp Company. Their claim-to-fame was a lamp design that cast no undershadow. They had a unique two-piece chimney-shade configuration consisting of an elbow attached to the flanged burner and topped by a chimney-top. Some Angle Lamp glass is depicted below.

A complete Angle Lamp, a single burner, plain tin style.

A plain elbow.

Pink opalescent swirl.

Blue opalescent swirl.

Amber swirl.

White opalescent swirl.

Cranberry swirl (faint amberina shading near base).

An etched Angle Lamp elbow.