- stereometric problem
- мат. стереометрическая задача
Большой англо-русский и русско-английский словарь. 2001.
Большой англо-русский и русско-английский словарь. 2001.
Sector (instrument) — The sector, also known as a proportional compass or military compass, was a major calculating instrument in use from the end of the sixteenth century until the nineteenth century. It is an instrument consisting of two rulers of equal length which … Wikipedia
Barometer — Schematic drawing of a simple mercury barometer with vertical mercury column and reservoir at base … Wikipedia