Clay, Inman and Co
of Birkenhead Forge, Beaufort Road, Birkenhead
c.1869 Founded by William CLay, Charles Arthur Inman and Alexander McNeile, to produce wrought-iron and steel forgings of the largest description, including stern frames and rudders
c.1872 William Clay developed water-cooled cutting tools for machining iron and steel [1]
1891 For description of works see 1891 The Practical Engineer