Hookes Law, set of 5 springs with different spring constants, forces required for 1cm extension are 0.25N, 0.5N, 1N, 1.5N, and 2.5N respectively, Pre-stress has been removed for accurate results, With a hook to support a weight hanger and a red arrow to indicate position
Burner, no-tip Safety with expanded base prevents tipping, even with hoses connected and easy carry handle for safe handling, features a wing nut on the bottom of the tube, 6.5inch tall and is available in both Natural Gas and Liquid Petroleum variants.
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