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Reading Magnifier, 50mm, 12cm Focal Length Capacity_125mL Wooden-frame abacus with three U-shaped

SKU 51968894261
4.4
Reading Magnifier, 50mm, 12cm Focal Length Capacity_125mL Wooden-frame abacus with three U-shaped
Reading Magnifier, 50mm, 12cm Focal Length Capacity_125mL Wooden-frame abacus with three U-shaped
Reading Magnifier, 50mm, 12cm Focal Length Capacity_125mL Wooden-frame abacus with three U-shaped
Reading Magnifier, 50mm, 12cm Focal Length Capacity_125mL Wooden-frame abacus with three U-shaped
Description

Wooden-frame abacus with three U-shaped steel wires carrying 20 plastic beads each on a 13 by 6 inch base

Used to demonstrate rotational-to-linear motion conversion

and 2 quadruple pulleys on a heavy composite base with capstan

SWG AWG Diameter (Inches) 18 16/17 0

Used to produce concentric Newton's rings under monochromatic light

Reading Magnifier, 50mm, 12cm Focal Length Capacity_125mL Wooden-frame abacus with three U-shapedChrome plated metal framed 50mm reading magnifier with a 12cm focal length, sized for fine print reading and convex lens image formation work in introductory optics.

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