The familiar metal lids from bottles will serve no worse than the famous springy washers. Grover thanks to its ribbed “skirt” that will prevent accidental removing of the screws in the joints of any parts subject to vibration.
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PRESS-EKSPRESS
If you need something to compress (e.g., warped cardboard blanks or the restored block of the book), do not have to have in the home press will always be at hand something spring loaded:...
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Conventional roulette is inconvenient to measure in the crevices, folds, blind grooves. I have attached the model to the usual roulette kind of spout — G-shaped bracket of sheet metal;...
