- 1. a. A telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for delineating landscapes, by means of a pencil at the eye end which leaves the delineation on paper. Source: opted
- 2. A telescope with a diagonal eyepiece, suspended vertically in gimbals by the object end beneath a fixed diagonal plane mirror. It is used for delineating landscapes, by means of a pencil at the eye end which leaves the delineation on paper. Source: webster
- 3. A telescope with a diagonal eyepiece, suspended vertically ingimbals by the object end beneath a fixed diagonal plane mirror. Itis used for delineating landscapes, by means of a pencil at the eyeend which leaves the delineation on paper. Source: adambom
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optigraph
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diagonalendbeneathdelineatingdelineationeyepiecefixedlandscapesleavesmeansmirrorobjectpaperpencilplanesuspendedtelescopeverticallyeyegimbals