Description
and rolling-motion experiments on inclined planes
Tangent-galvanometer instrument that derives current absolutely from compass-needle deflection against Earth's horizontal field
0360 22 21 0
opening to 2
Combination Dark Chamber for Phototropism Experiments, 21 x 7 x 7" Subcategory_Condensers and rolling-motion experiments on inclinedEnclosed dark chamber with directional light ports houses seedlings under controlled conditions for phototropism, etiolation, and light direction response experiments.
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