SLIDE RULE
NOUNS
► CHEATING STICK a slide rule → 1934 students’ sl. (Bk.)
► SLIP STICK a slide rule → 1934 students’ sl. (Bk.)
► SLIPPING STICK a slide rule → 1954 US sl.
NOUNS
► CHEATING STICK a slide rule → 1934 students’ sl. (Bk.)
► SLIP STICK a slide rule → 1934 students’ sl. (Bk.)
► SLIPPING STICK a slide rule → 1954 US sl.