A 19TH CENTURY BRASS BULKHEAD CLOCK BY BROCKBANK & ATKINS , LONDON, NO. 12616, CIRCA 1870 of good precision, with the main part of the case made to be recessed, now with removable keyhole hanger allowing it to be hung as is, the solid brass case with hinge above opening to access the dial, and lock and key below, the silvered brass dial with Roman numerals for the hours, subsidiary seconds dial below XII, blued "spade" hands, signed Brockbank & Atkins, London, and numbered 12616, a small winding hole with winding square visible under the signature, adjustment for retard and advance on top of the numeral XII and visible only when door opened, the movement with four turned pillars between two thick shouldered plates, chain and fusee winding system, maintaining power, large platform escapement with crab-tooth escape wheel and bi-metallic cut balance wheel, of eight days duration,  18cm diameter, outer depth 2cm, total depth 13cm  In working order but not fully tested or guaranteed. John Brockbank & Samuel Elliot Atkins, are recorded as having their shop in Cowpers Court, London, and were partners from 1815. Their workshop was widely recognised for their production of marine chronometers.  Related Literature: G.H. Baillie, 'Watchmakers and Clockmakers of the World',  Tony Mercer, 'Chronometer Makers of the World', 1991.