Fabre de Lagrange Mathematical Model Canada Science and Technology Museum Artifact No. 1973.0241 Manufacture Date 1872 Canada Science and Technology Museum
Nocturnal Canada Science and Technology Museum Artifact No. 1991.0020 Manufacture Date Circa 1670 Canada Science and Technology Museum
Ritter Dental Manufacturing Co. "Imperial Columbia" Dental Chair Canada Science and Technology Museum Artifact No. 1980.0055 Manufacture Date 1905-1925 Canada Science and Technology Museum
Rueprecht & Sohn Balance Canada Science and Technology Museum Artifact No. 2001.0003 Manufacture Date 1938 Canada Science and Technology Museum
