U. English & European Clock Makers 

Underhill, Cave. London. Clockmakers’ Company. 1655.

Upjohn, Francis. London. Clockmakers’ Company. 1787.

Upjohn, James, & Co. London.   1781.

Upjohn,   Thomas.   Exeter. 1740. Maker of clock with case of raised green lacquer.

Upjohn,    William.  Exeter. 1741. Maker  of  fine  long-case clocks.

Underwood, Robert.   London. 1781.

Ursin,   Nicholas.        London. 1556-90. Clockmaker to Queen Elizabeth.

Uytemveer, C.   Rotterdam. 1705