Brunsviga manual calculator model B 13RM ser.no.16459 by Olympia Werke AG, Wilhelmshaven but made in Spain. Brunsviga manual calculator model B 13RM ser.no.16459 by Olympia Werke AG 1965-1975
Key operated model 16T Brunsviga mechanical calculating machine by Brunsviga Maschinenwerke AG 1950-1955
"Matador" calculating machine c.1910, by Grimme, Natalis and Company, Braunschweig, Germany "Matador" calculating machine c.1910 1910-1915
Model M Trinks Brunsviga calculating machine on wooden base with metal cover by Grimme, Natalis and Co., Braunschweig, Germany. Model M Trinks Brunsviga calculating machine on wooden base with metal cover by Grimme 1930s
Triumphator Calculating Machine and cover, manufactured by Triumphator Company Limited Triumphator Calculating Machine and cover 1945-1965
Model M Brunsviga calculating machine, c. 1910, sectioned (cover plates missing) with separate wheels mounted in plastic to show workings. Model M Brunsviga calculating machine 1908-1912