• (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.
Found on
http://thinkexist.com/dictionary/meaning/optigraph/
Op'ti·graph noun [
Optic +
-graph : confer French
opticographe . See
Optic ,
adjective ] 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 landsca...
Found on
http://www.encyclo.co.uk/webster/O/27
No exact match found.
