" 22 " " 5 "
" 20 " 24 " " 6 "
" 22 " 27 " " 6-1/2 "
" 25 " 30 " " 7 "
" 29 " 36 " " 7 " showing the hands.

TRANSFER OUTLINE.

For this method an enlargement made from the photograph is required,
but it needs to be an enlargement of the head only--that is, a 11x14
inch enlargement of the head will answer for a 25x30 inch crayon
portrait, and serve as a guide to work from in making the crayon.

Transparent tracing paper (made of fine tissue paper, oiled with
clarified linseed oil and then dried,) is laid on the enlarged
photograph, and the outline gone over with a soft lead pencil. The
tracing paper is then turned and its back is rubbed all over with
charcoal, when it is laid charcoal side down on the mounted crayon
paper, and carefully fastened with four thumb tacks. The lines first
made are then gone over with a sharp pointed lead pencil. When the
tracing paper is removed a perfect outline in charcoal is found to have
been made. This should then be gone over with the crayon point No. 2.
The rest of the portrait is sketched in from the original picture.

THE METROSCOPE

Comprises a series of squares accurately engraved upon the finest plate
glass by machinery. The two plates of glass (of which one form of the
instrument consists), are ruled for convenience with squares differing
in size. These are framed and held together by thumb screws, allowing
sufficient space between them for inserting and securing a picture the
size of a cabinet photograph. The lines are thus brought into such
perfect contact with all parts of the photograph so that they appear to
be drawn on it. One feature of this instrument which renders the square
system very practical, consists of the division and sub-division of the
squares by dotted lines and dash lines. The eye naturally divides a
line or space into halves and quarters, and for this reason the dash
lines have been designated for quartering the main lines, and the
dotted lines for quartering the squares thus formed. This gives sixteen
times as many squares for use as are drawn upon the photograph.

A method based on the same principle as the metroscope, but not
requiring the use of that instrument, may be pursued, as follows:
Fasten the photograph to a board, mark the space at the top, bottom and
sides into one-quarter inch divisions, and drive sharp pointed