To mail out an ordinary business letter the cost, in cents, is:
Letter head 0.4
Typewriter ribbon 0.075
Second sheet 0.06
Carbon paper 0.037
Businessmen who knew that a letter does cost 14.972 cents were the most insistent that their executives and office help attend the 24th yearly National Business Show, which began last week in Madison Square Garden, Manhattan. The place was crowded with men and women studying devices that could save them labor, seconds and mills.*
None of the devices were entirely new. Many were improvements or modifications of...