His company, Sampson Moore & Co. specialised in casting large iron structures and owned North Foundry in Gt Howard Street Liverpool.

[2] In 1876, Sampson Moore designed and supplied the first electric overhead crane, which was used to hoist guns at the Royal Arsenal in Woolwich, London.

[3] Specifically he patented the improved winch mechanism that allowed the lifting of heavier weights (such as naval guns) by an electric motor.

[4] Electric overhead cranes were subsequently installed in several foundries in the north of England and were considered one of many technical advancements of the British Industrial Revolution.

In 1874 he located two violins which had belonged years earlier to the Prince's late uncle the Duke of Cambridge, for which Alfred was particularly appreciative.