11. Approximate Four-bar Straight-line Linkage of Roberts Dreieckslenker von Roberts Collection: Reuleaux Kinematic Mechanisms Collection Set: S. Straight-line Mechanisms Date: 1882 Format: Image Designer: Reuleaux, F. (Franz), 1829-1905 Manufacturer: Gustav Voigt Werkstatt
12. Approximate Four-bar Straight-Line Linkage of the Second Kind After Evans Angenäherter Ellipsenlenker II. Art Collection: Reuleaux Kinematic Mechanisms Collection Set: S. Straight-line Mechanisms Date: 1882 Format: Image Designer: Reuleaux, F. (Franz), 1829-1905 Manufacturer: Gustav Voigt Werkstatt
13. Approximate Lever Parallel Scale Mechanism of Pfitzer Unvollkommene Hebelparallelführung, Oberschalige Wage von Pfitzer Collection: Reuleaux Kinematic Mechanisms Collection Set: T. Parallel Guide Mechanisms Date: 1882 Format: Image Designer: Reuleaux, F. (Franz), 1829-1905 Manufacturer: Gustav Voigt Werkstatt
14. Aratinga luteus s. Guarouba. Collection: Hill Ornithology Collection Date: 1824 Format: Image Creator: Schmidt, Matthias (German artist, 1749-1823)
15. Asta Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: ca. 1910 Format: Image Publisher: Nordische Kunstanstalt Ernst Schmidt & Co., Lubeck
16. Asta Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: ca. 1910 Format: Image Publisher: Nordische Kunstanstalt Ernst Schmidt & Co., Lubeck
17. Asta Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: 1914 (postmarked) Format: Image Publisher: Nordische Kunstanstalt Ernst Schmidt & Co., Lubeck
18. Asta Collection: Postcards of female and male impersonators and cross-dressing in Europe and the United States, 1900-1930 Date: 1914 (postmarked) Format: Image Publisher: Nordische Kunstanstalt Ernst Schmidt & Co., Lubeck
19. Basic Model of Clemens’s Coupling I Grundmodell zur Clemens'schen Kupplung mittelst dessen erweisbar ist, dass die Clemens'sche Kupplung aus zwei schiefen Kreuzgelenken gebildet werden kann, als Kette aufstellbar Collection: Reuleaux Kinematic Mechanisms Collection Set: P. Jointed Couplings Date: 1882 Format: Image Designer: Reuleaux, F. (Franz), 1829-1905 Manufacturer: Gustav Voigt Werkstatt
20. Basic Model of Clemens’s Coupling II Hilfsmodell zu No.4, als Kette aufstellbar Collection: Reuleaux Kinematic Mechanisms Collection Set: P. Jointed Couplings Date: 1882 Format: Image Designer: Reuleaux, F. (Franz), 1829-1905 Manufacturer: Gustav Voigt Werkstatt
