Page:Sheet Metal Drafting.djvu/193

Rh pattern, arrange the several pieces so as to produce a minimum of waste, and compute the area of the rectangle thus obtained.

Problem 42A.—Show how you would arrange the blanks for the conductor head in order to produce as little waste as possible.

Problem 42B.—What is the area in square feet of the metal required as shown by Problem 42A?

Problem 42C.—What would be the weight of the metal if it were 16 oz. copper?

Problem 42D.—Allowing three hours' labor at $1.35, and 30 cents for solder, what would be the selling price of the head if 30 per cent of the cost price were added for profit?