Manfred von Mackensen Book order

Grundbegriffe von Akustik, Optik, Wärme, Elektrizität, Magnetismus, Mechanik, Hydraulik, Aeromechanik, mit Versuchsbeschreibungen. Zu den Physikepochen der 6. bis 8. Klasse

Uprightness, Weight, and Balance presents a phenomenological study of anatomy for the eighth grade. Included are practical exercises that the students undertake to discover the scientific basis for uprightness, balance, and their polarity with gravity or weight. Many illustrations help students visualize the underlying concepts.