- 4 Monocular Opera Glasses...
- 2 Gold-Plated French Spy Glasses...
- 4 Opera Glasses...
- 2 Interesting Spy Glasses, 19th Century...
- Chevallier Spy Glass and 2 further Opera Glas...
- 2 Brass Spy Glasses...
- Brass Telescope by Mayr & Co., c. 1860...
- Astronomical Telescope by William Mogey & Son...
- Polarimeter by Schmidt & Haensch, c. 1900...
- Busch Loupes and Magnifiers Shop Display, c. ...