Film-stripping, [553]
Filter Paper, [504]
Filters for Water, [339]
Finger-marks, to Remove, [125]
Fingers, Pyrogallic-acid Stains on, [185]
Finger-tips, Sparks from, [611]
Finishing Enamel for White Furniture, [722]
Firearm Lubricants, [460]
Firearms, Oil for, [460]
Fire, Chain of, [612]