(1) The man who lived a hundred years ago could not take a trip on a steamboat.

(2) He could not make a journey on a steam railway train.

(3) He had never dreamed of using a telephone, and would have laughed at the idea of talking with anyone hundreds of miles away.

(4) He could not light his house or store by electricity.

(5) He never even imagined that it would be possible to ride in an electric car.

(6) He could not call in a stenographer and dictate a letter.

(7) he could not use a typewriter in his correspondence.

(8) He had never listened to the phonograph.

(9) he had never seen a kinetoscope turn out a prize fight or a horse race.

(10) He had never heard of the germ theory, or worried about bacilli and bacteria.

(11) He had never seen a Webster’s, a Standard, or a Century dictionary.

(12) He had not read the works of Irving, or Hawthorne, of Dickens or Macauley or Thackeray. It is probable that he had never heard of Sir Walter Scott, and it is certain that he had read but little of his writings.

(13) He had not read the poetry of Bryant, Emerson, Longfellow, Whittier or of Lowell. He never even heard of Byron, Tennyson, or Browning. It is probable that he knew but little of Wordsworth, or Coleridge, or Southey.

(14) He had never been able to see the bones in his hands or feet with the Roentgen Ray.

(15) He could not take an anaesthetic, and have his arms or legs taken off without feeling the operation.