1888—Edinburgh, Scotland

The Encyclopaedia Britannica article on trombone mentions the family of trombones, including alto in F and alto in E-flat: “At present six trombones are more or less in use, viz., the alto trombone in F, the alto in E-flat (formerly in D), the tenor in B-flat (formerly in A), the bass in G, the bass in F (formerly in E), the bass in E-flat (formerly in D)” (Baynes XXIII 587).*