this is a vintage Jiffy Way egg scale. Used for weighing eggs for export as the eggs needed to conform to a certain minimum weight : r/interestingasfuck
Country Living Appraises A 1950s Jiffy-Way Egg Scale: What Is It Worth? | HuffPost Life
Jiffy Way Egg Scale - Etsy Canada
Inubator Warehouse 1242 Digital Egg Scale - Accurate Humidity Measurement and Sizing : Amazon.ca: Industrial & Scientific
The Incredible Vintage Egg Scales – EggCartons.Com
Murray McMurray Hatchery - Egg Scale
Historic Wagner Farm - On the sixth day of Museum Objects, Historic Wagner Farm gives to you…six eggs for weighing (on this egg scale). Patented in 1940, the “Jiffy Way” egg weighing