Man with variety of egg scales used for grading eggs

Geo. Snider weighing rats at Ag. Dept., 6/28/26

George Attick, junior poultry aide, removes the hen and eggs from the trap nest. The eggs are then marked to correspond with the number on the leg band of the hen. From here on the egg is checked through until the hen or rooster is full grown, 1/19/38

Shepherd Haynes, chief scientific aide, then places the eggs in an automatic incubator for a period of seven days, 1/19/38

Removed again from the incubator the eggs are put in individual wire baskets and placed in the hatcher by Mr. Haynes, 1/19/38

Daniel W. Kessler of the National Bureau of Standards with device used to test slabs of marble over long periods of time

Superior chickens set. After removal from the incubator the eggs are put through the candling test by Mr. Haynes. Those infertile are given to charity while the fertile ones follow through the scientific routine with an additional ten days in the incubator, 1/19/38

Observing work of the busy bee. E.L. Sechrist, associate agriculturist of the bee culture laboratory, U.S. Department of Agriculture, makes tests of how much work the bees accomplish under different weather conditions be checking the weight of the colonies. During a good honey flow under favorable w

Possible now to color yolks of eggs "red, white and blue" by feeding hens different feeds. Washington, D.C., April 7. Showing exactly how the yolks of eggs are colored - "Red, white and blue" - by feeding hens different feeds. if you want a deep orange-red color include in the hen's ration ground pi