er the closest attention and enthusiastic interest are insured on the part of the pupils. The PRIMARY SCHOOL WHEEL is Smaller than tiie high school machine, more simple in construction and has but two sizes of disks, sixteen in all. With this instrument all experiments may be performed Avhich are… … With a color AA'heel in the hands of a trained teaelier and a color toj) for each pupil such progress in color percei)tions can be made as has never been possible by any other means. SPECIAL COLOR CHARTS. For the use of teachers Ave ])n'pare a number of ready made charts re- lating to the subject…
Schools -- Furniture, equipment, etc. · Teaching Aids and devices
Internet Archive · Winterthur Museum Library · Public domain (published before 1931). Free to use for anything.
