plural of sliding-rule

Dated form of slide rule.

(photography) A device used to produce a digital copy of a slide

Alternative form of slide scanner

plural of slide valve

A valve in a steam engine, designed to slide back and forth to cover and uncover the openings through which steam enters the cylinder.

(nautical) An oblong frame let down vertically through the bottom of a vessel in order to deepen the draught and sustain against a side wind.

plural of sliding keel

plural of slide rest

An apparatus adapted to a turning lathe for carrying the cutting tool.