This Motor Car Lampwas made by the Adlake company.

There are mounting brackets on each side that would go into a yoke style mount.  The clear lens is 4" in diameter.  

There is a peephole on the back to let you confirm the burner is lit. The door slides up to give access to a slide out burner. 

This lantern is in vintage condition and has visible dings and dents. The glass is great and has no visible cracks or scratches.

This is approximately 9.5" tall x 7" x 7". 

See photos for additional description and condition