Category:Telescopes with speculum-metal mirrors

Subcategories

This category has the following 3 subcategories, out of 3 total.

3

3-foot Telescope‎ (9 F)

4

40-foot telescope‎ (1 C, 42 F)

L

Leviathan of Parsonstown‎ (1 C, 23 F)

Media in category "Telescopes with speculum-metal mirrors"

This category contains only the following file.

HerschelTelescope.jpg 1,493 × 1,914; 256 KB

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