Sometimes one promised regular customers a drawback on standard rates.
"I'll write to Mrs.Vernon in the morning," Mrs.Cartwright remarked.
"Telegraph" said Cartwright, who did not lose time when he had made a plan.

"When the lines are not engaged after business hours, you can send a night-letter; a long message at less than the proper charge." Mrs.Cartwright looked pleased.

Although she was rich and sometimes generous, she liked small economies.
"After all, writing a letter's tiresome," she said.

"Telegrams are easy.
Will you get me a form ?".