Fairbanks weighing scales (to weigh 2 lb) - Fairbanks' most famous invention then became the platform scale for weighing heavy objects. This item is significant as it demonstrates a by-gone method of weighing mail. It is also significant as it uses pre-metric measurements, placing its age before 1966.Post office scales with two dishes and five weights ranging from 1 oz to 2 lb.To weigh 2 lb - Fairbanks, Birminghamscales, postage, mail