This gave publicity to the invention of Mr.Wolcott.

Shortly after, Professor Mapes, Dr.Chilton, and many others, sat for their portraits, and were highly gratified.

Professor Morse also came and proposed to Mr.
Wolcott to join him in the working of the invention, etc.
From this time much interest was manifested by our friends in our progress.

Rooms were obtained in the Granite Buildings, corner of Broadway and Chambers street, and fitted for business.

The rooms being small, it was soon found impracticable to use the arrangement of looking-glass, as previously spoken of; a new plan became necessary, to introduce which, the sashes were removed, {199} and two large looking-glasses were mounted in proper frames, thus:-- [Illustration: Fig.