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Initially of Hope Street, then Eagle Iron Works, Hanley and The Sneyd, near Burslem, then Phoenix Iron Works, Bucknall Road, Hanley
1836 'EAGLE IRON WORKS, Bagnall Square, (Top of the Etruria Rail Road,) Shelton, Staffordshire Potteries.
WILLIAM BOSTOCK, Engineer, Mill-wright, Boiler-Maker, Brass and Iron Founder, begs most respectfully to return his grateful thanks to the Nobility, Clergy, Gentry, and Public in general of the Potteries and their vicinity, for the very liberal patronage he has received during his residence in Hope Street, and has the honour to acquaint them that he has removed to very extensive premises in Bagnall Square, (originally erected for an Iron Foundry,) where he intends to manufacture all kinds of Wrought and Cast Iron and Brass Work, particularly Steam Engines, Mill-work, Weighing Machines, Beams, Pillars, Columns, Rail-Roads, Window Frames, Iron Bedsteads for Workhouses or Prisons, Gates Palisading, Hurdles, and all kinds of Fencing for Parks or Lawns, Garden Seats, Tree Guards, Trellis Work Ploughs and Harrows. Wheelbarrows, Hay Racks, and Farming Implements generally, Wrought and Cast.
W B still continues to make and repair Steam Engine and other Boilers, at his Yard, at the Sneyd, near Burslem, and hopes in this, as in every other department of his business, to continue to receive the public support.
All orders to be addressed to the Eagle Iron Works, as above.
Several steady Mill-wrights and Engine Fitters wanted.' 
1851 Brass and iron founders. Makers of steam engines, boilers, water wheels, weighing machines, cranes, etc. Also iron bedsteads, gates, railings, hot water apparatus.