sq. yd.

The machinery by which this is done has undergone numerous modifications and improvements, all tending to produce more perfectly plane glass, to reduce the risk of breakage, and to lessen the expenditure of time and power required per sq. yd. of glass to be worked.

The cathodes, which are sheets of thin lead foil weighing 1� ℔ to the sq. yd., are removed monthly, their gold content being from 0.5 to 10%, and after folding are melted in reverberatory furnaces to ingots containing 2 to 4% of gold.

This summer some Minnesota fields are aswarm with as many as 1,200 hoppers per sq. yd.

In Nebraska, Scotts Bluff County Agent Monte Hendricks counted up to 50 hoppers per sq. yd., five times the number usually considered to be disastrous.

Using cheap cotton, the Southern firms made rugs that cost as little as $4 a sq. yd.