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Acme Egg-Grading Scale  19–30 oz. on a flange

This is a weight-lifting scale. The eight aluminum fins add incremental weight to counter-balance the egg as each fin is raised. The heavier the egg,…

Acme Egg-Grading Scale  19-30 oz, "Atlantic" standard

This example is the first generation with a cast aluminum base and the weight inscribed near the end of each fin. The egg cup is attached either with…