US$ 199.99
7 geometry pushing the focal point downrange for projection-style real-image formation across long benches
gear train
Flame stabilizer on this LPG Bunsen burner maintains a steady cone across drafts
hand-cranked so students trace how shifter engagement alters gear ratios and output torque selection
5 inch dynamics carts in solid wood and aluminum with nylon ball-bearing wheels
Life-Size Infant Skull Anatomical Model with Articulated Mandible cylinder 7 geometry pushing the focalBuilt for developmental anatomy study, this infant skull model reveals fontanelles, suture flexibility, and cranial proportions for pediatric instruction.
US$ 199.99
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