Letter and form from H. Reader Lack, Controller General, the Patent Office, London to John Wesley Hackworth, Darlington

Made:
1887-04-06
part of archive:
Hackworth Family Archive
maker:
Hackworth, John Wesley (b 1820 – d 1891)
and
Hackworth, Ann (b c 1818 – d 1872) (nee Turner)

Certificate of receipt of complete specification numbered 8875 [improvements in valve gear].

Details

Extent:
2 items
Identifier:
HACK/3/1/47

Browse this archive