> as lemmas

1885 H. Marbeau in U.S. Patent 310,901 1/1 Be it known that I..have invented new and useful Improvements in Process of Making Malleable Ferro-Nickel and Ferro-Cobalt.

1961 M. G. Say Electr. Engineer's Ref. Bk. (ed. 10) iii. 15 Alnico is similar to Alni but has a basis of ferro-cobalt instead of iron.

2008 Jrnl. Alloys & Compounds 461 179/1 The three studies..did not cover the compositions relevant to ferrocobalt produced in the smelting of waste slags.