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B. Corcoran, Millstones and Wire weavers of 31 Mark Lane, London, EC.
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Bryan Corcoran and Co. are the original makers of paper-machine wires, which they now weave to the width of 9 ft. They manufacture every sort of wire work, deckle straps, felts, dandy rolls, moulds, and every description of driving bands. Established 1805.
1786 Advert. 'For CORN MILLS. By the KING's PATENT, LACK and COMPANY'S new invented BOLTING CLOTHS without SEAMS, manufactured at Wandsworth, Surrey, upon an entire New Principle for dressing Flour, and sold for Ready Money only, by Bryan Corcoran, Mark Lane, and Abm. De Rippe, at the Company's Warehouse, No. 15, King-Street, Covent-Garden and no where else in London. - The utility these Bolting Cloths are proved to be on trial, infinitely superior to any heretofore invented, which having always been made with such a multiplicity of seams and gores (requiring to be lengthened by running) that they not only clog and obstruct the riddance of dressing, and are also so liable to break, that besides the additional expense, the utmost inconvenience is frequently occasioned thereby, the truth which the Millers are well acquainted with....'
Specimens of metal cloth; model of malt kiln; silk flour-dressing machine, mill stones, etc.
THE CASE OF SPECIMENS CONTAINS:-
Samples of wire-drawing in the various stages, from the bar of metal to the finest thread of wire.
3,000 yards of copper wire, (or nearly 14 miles) drawn out of an old penny-piece.
1,300 yards of brass wire, (nearly of a mile) weighing only 1 ounce.
1,000 yards of iron wire, (nearly a mile) weighing only 1 ounce.
Samples of woven wire, from 1 to 28,800 holes in a square inch.
Fine and strong samples of various sorts; samples of Swiss silk, etc.
The largest millstone is 5 ft. 8 inches diameter in one solid block: a very rare specimen.
Millstones of various sizes, of the finest quality ever produced, for grinding wheat.
Peak, granite, and Cologne stones, grindstones, plaster, etc. mill bills and chisels of finest cast- steel.
Mahogany stone staffs and iron provers, iron blocks with brass sheaves.
Wire for flour and smut machines.
Silk dressing machines, elevators, and worms. Separators for peas, wheat, etc.
Brushes of all sorts for machinery.
Corn measures of all description.
Sack chains, jiggers, punches, spanners, etc. Swiss dressing-silk.
Blackmore's bolting cloths.
The exhibitors are also erectors of malt kilns on improved principles, as shown in model; makers of woven-wire kiln plates of any dimensions; malt and corn screens; malt gauges; shovels; sieves, bushels, sack trucks, and chondrometers for ascertaining the weight of corn from sample. 
1843 Listed as 'Bryan Corcoran and Co, Mark lane, stationers.
1843 Listed as 'Bryan Corcoran and Co. Manufacturers of Wire Machines, French Mills Stones, etc.
1873 Bankrupt. Bryan Corcoran, millstone maker and wire weaver, Charlton House, Bow Road, London.