Description

001 inch with a friction roller and a lock mechanism for held readings

Adjustable-vibrator induction coil producing a 30mm spark from a 6-12V DC input

Hand-painted skin cross-section enlarged 300 times exposes epidermal layers

transferring

Steel Extension Spring, 6 x 0.25" Category_Science Gifts 001 inch with a frictionSix inch steel extension spring with looped ends at 0. 25 inch diameter, the mid length option for paired Hooke's Law comparisons against 4 inch and 9 inch siblings in the series.

Exchange/Return Notes

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Steel Extension Spring, 6 x 0.25" Category_Science Gifts 001 inch with a friction

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