slide rule

nautical slide rule

radiation slide rule

backsight slide; back-sight slide

feed block slide (feed-block-actuating slide)

mil rule / scale

rule of law

strong-arm rule

aiming rule operator

aiming rule

alidade rule

gun rule

decision rule

Prandtl-Glauert rule

rule

rule-making

parallel rule(r)

one half thickness rule

safe pocket rule

mil rule

slide

retractor slide

elevating slide

air slide valve

barrel slide

blocking slide

elevation slide nut

slide valve

escape slide

surface of slide

rear-sight slide cap

curve-slide sight

slide down a rope