This was taken from John Houchins book on LC Smiths The Legend Lives. AE Spangler, Wilton Spangler(1880-1904)also engraved for Baker and Lefever, Jacob Glahn also worked for Sharp's , Winchester and Colt and also engraved some bank notes and his sons George Theodore and Gus(1880-1905, Frank Mason,he became the head of the engraving dept at Baker Gun and Forging Co(1890-1895), Albert E Krause(1890-1945), Charles Jerred and Oliver Wardhough(1947-1950).