US$ 227.50
supplying replacement bulbs for four-cell battery packs and the standard 6V ray-box and panel-lamp apparatus
Single-decade resistance box covering 0
a wide 150mm concave glass mirror at 150mm focal length runs at f/1
the optical glass producing undistorted views of specimens
paired with the 750mm black lead to keep wiring color-coded across mid-distance bench setups
3D Monocot Stem Model with Cross Section, 11 x 18 x 8" Subcategory_Beakers supplying replacement bulbs for four-cellCross sectional 3D monocot stem model on a mounted base exposes scattered vascular bundles, ground tissue, and epidermis for monocot anatomy teaching.