Definitions
from The Century Dictionary.
- noun A machine for ruling diffraction gratings.
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word ruling-engine.
Examples
-
Other projects tackled by Siegbahn and his staff include the construction of an electron microscope of a new pattern and an automatically working ruling-engine for scratching well-defined gratings (with up to 1,800 lines per mm), especially for X-rays and the extreme ultraviolet field.
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.