Structure of a Bird and a Mammal Bone, Specimen, Longitudinal and cross section of a prepared, real bird bone and mammal bone respectively, mounted on a base plate, bird bones are hollow inside and have large air chambers, Weight: 0.515 kg
Model, Stem Cross Section of Creeping Buttercup (Ranunculus repens), with collateral open vascular bundles, The model shows the typical stem structure of a dicotyledon enlarged by a factor of 250, Dimensions: 28 x 7 cm, weight: 3.25 kg
Enlarged 70 Times, full size, shows section through three layers of the hair covered skin of the head. Also shows hair follicles with sebaceous, sweat glands, receptors, nerves and vessels.