He was appointed Master of the Clockmakers’ Company in 1697 and he made a number of very fine longcase, bracket and lantern clocks.
This Charles II period ebony and gilt-mounted table clock signed Johannes Ebsworth Londini fecit c.1673 has a turntable base, useful to attending to the mechanism without the need to lift the clock. The shallow caddy top has an original gilt brass mount with the monogram MR, probably for the original owner (see detail below), and it comes with a tulip-engraved winding key of the period.
Howard Walwyn prices it at £85,000.