Description

the flywheel light enough to drive by breath for hands-on reciprocating-engine study

Mounted on a precision base

producing water jets of varying distances to show how pressure increases with depth in hydrostatics

7 ohms and 5A on a 200x44mm tube with a slide-contact carriage

Wooden Pinhole Camera, 6.5" Tall Material_Brass the flywheel light enough toA 7 aperture metal plate, ground glass screen, and sliding inner box let students measure how image size varies with pinhole to screen distance, closing to a stored length of 6. 5 inches.

Exchange/Return Notes

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Wooden Pinhole Camera, 6.5" Tall Material_Brass the flywheel light enough to

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