old vintage iron weights for scale

iron weights masses scale four items ring rusty engraved high relief approximate weighing gram metric one kilogram two hectokilogram accurate obsolete economy historical metal precision measurement objects commerce grocery retail antique circular oxidized utility weathered equipment handoperated rust wooden surface essentials natural light whitewashed wall tools balance scales mass balances newtons markings merchants trade mechanical adjusting fulcrum equillibrium usability nostalgia history simple old fashioned aged rustic times retro vintage traditional utensils lifetime manual style scale weight