Magic egg scale, maker National Poultry Equipment Company
This egg scale originates from the U.S.A.. The text MAGIC SCALE is at the edge of the egg holder. This egg grader is made by National Poultry Equipment Company, Seattle, Washington. More information about National Poultry egg graders is given in North American Egg Scales - from ABC to Zenith by Charley Amsbaugh. This is the aluminum version. Later also a plastic version was produced. The design was made by Ellis E. Powell and on September 7, 1937 granted with an American Design Patent Des.105,970. The actual poise differs from the one on the drawings of the design patent. The oval poise is a more attractive shape compared to the plain hex nut of the patent drawings.
This typical egg grader has no measurements scale with the egg weights per piece or per dozen. The egg scale has a large fixed counterweight and two turn over weights. With this the egg scale has a division into four weight classes:
- lighter than 15/8oz;
- between 15/8 and 17/8 oz.;
- between 17/8 and 21/8oz;
- heavier than 21/8 oz.
the egg scale seen from the other side
