The see-through plate of an orienting compass onto which the compass housing is mounted.
() the see-through plate that functions as a ruler and protractor on a compass
The clear base that holds the compass housing.
Mounting platform for power supply components.
A plate that supports a belljar along with its enclosed materials or components subjected to a vacuum, providing mechanical, electrical and other connections to components within the vacuum system.
The plate upon which flatbottom rail is laid in order to be fastened down. Usually referred to in modelling terms as "chairs".
steel plate at bottom of steel column.