A Congreve Rolling Ball Clock made by Devon Clocks Limited, in the style of the original patented an
A Congreve rolling ball timepiece by Frodsham, London
Bonhams : A 20th Century Congreve rolling ball clock,
Mid 20th century 'Congreve' rolling ball clock, sloped arch and pierced brass movement, the central Arabic minute chapter ring flanked by hour and seconds dials, twin train driven eight day movement, -
Lot 783 - A brass Congreve style rolling ball clock,
inclined-plane clock; rolling-ball clock; clock-case | British Museum
CONGREVE ROLLING BALL CLOCK - Clocks / Barometers
Congreve rolling ball clock
Bonhams : A limited edition 'Congreve' rolling ball clock circa 1973 E. Dent and Co Number 125 of 150
Congreve Rolling Ball Clock Brass 50cm High
A Congreve Rolling Ball Timepiece - SOLD
A LIMITED EDITION THWAITES & REED 'CONGREVE' ROLLING BALL CLOCK
Congreve clock - Wikipedia
A late 20thC Sir William Congreve rolling ball clock. - Bukowskis
A novelty clock fresh off servicing,... - Timepiece Creations