found: Heinrich Wild, 1877-1951, 1977 (a.e.)p. 5 (Heinrich Wild jun., former dir. of Kern & Co., Aarau, manufacturer of geodetic instruments, son of Heinrich Wild, 1877-1951)
found: Sw 77-12755(Heinrich Wild jun.)
found: Neue Nivellierunstrumente, 1909:t.p. H. Wild
found: Wikipedia, viewed 19 September 2018:(Heinrich Wild; born Mitlödi, Canton of Glarus, 15 November, 1877; died Baden, Switzerland, 26 December, 1951; Swiss inventor; in 1907 he joined the company of Carl Zeiss, Jena, as a designer of geodetic instruments; in 1921 he founded, with Dr. R. Helbling, the company Heinrich Wild, Werkstätte für Feinmechanik und Optik (later known as Wild Heerbrugg); in 1932 he separated from the company, continuing as a freelance technical designer and inventor, for, amongst others, Kern & Co, Aarau)
notfound: WW Switz., 1974/75;Schweiz. biog. Archiv, 1952-58;Wer ist wer, 1976/77;Kürsch. Gel. Kal., 1976.