Spectacles in silver case, 1853.

Fleam case, 1544.

Long case clock, English.

Surgical instrument case, English, 1650-1700.

Fleam case, German, 1544.

Huygens' aerial telescope, 1738.

Gregorian telescope, c 1745.

Refracting telescope with equatorial mounting, Washington DC, USA, 1876.

72 inch reflecting telescope, Victoria, British Columbia, Canada, 1920.

72 inch reflecting telescope, Victoria, British Columbia, Canada, 1920.

Equatorial refracting telescope, Paris Observatory, France, 1884.

Telescope and lenses, 1787.