The SciencesThe Amateur and his Microscope—IV Use and Care of the Instrument(Continued from September)By John F. Brandt, Frank Challis on October 1, 1933AdvertisementABOUT THE AUTHOR(S)Recent Articles by John F. BrandtThe Amateur and His Microscope--XII Some Tricks of the TradeThe Amateur And His Microscope—X Mounting SpecimensThe Amateur and His Microscope--IXRecent Articles by Frank ChallisLearning to Use the Instrument