Orthographic and isometric projection are taught.
"The American Missionary -- Volume 48, No. 7, July, 1894" by Various
The mechanical work of the drawing office is confined strictly to orthographic projections and sections of objects.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 7" by Various
It is therefore often called drawing in plan and elevation, and sometimes simply orthographic projection.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 6" by Various
It is drawn into an orthographical projection of the sky with celestial coordinates for declination and hour angle, for a location at 28.5◦N (Tenerife). T he two overlapping squares indicate the 28◦ × 28◦ views of the cameras, which range from declinations of 45◦ to over 70◦ .
A Prototype for the PASS Permanent All Sky Survey