stereomicroscope

alphatron vacuum gage diarised domestic science club electro-chemical couple elizabethville exo-endothermic atmosphere foreign-returned lummer brodhun photometer head microthermometer monochlorinated NW by N oil-soluble dyestuff open loop pole oxygen starvation philagra kanoi plum-yew families reverse transmission factor tightie whiteys transitional helix uterine calculus