However, another attempt was agreed upon, and the instruments, plates, etc., prepared and taken up into an attic room, in a position most favorable for light.

Having duly arranged the camera, I sat for five minutes, and the result was a profile miniature (a miniature in reality,) or a plate not quite three-eighths of an inch square.

Thus, with much deliberation and study, passed the first day in Daguerreotype--little dreaming or knowing into what a labyrinth such a beginning was hastening us.
[Description of apparatus represented on pages 192 and 199:] A .-- The Box--about 4 inches long by about 2 outside diameter.
B .-- The Reflector soldered to a brass screw, and mounted in the rear of the box.
c .-- The slide to regulate the focus to the plate holder.
d .-- The standard to the plate holder screwed to the slide.
f .-- The plate-holder frame having two small ledges, * *, for the plate to rest upon.
{192} g .-- The plate resting upon the ledge., * *, and kept against the frame by the spring h.

The plates used were about 3/8 of an inch square.
A .-- The window with the sashes removed.
B and C (p.

199) are large looking-glasses mounted as plain reflectors, the lower one C having rotary motion upon the saddle, resting upon the sill of the window in order to direct the rays of the sun upon the reflector B, at any hour of the day--the vertical motion of the reflector C being necessary, the sun varying in altitude so much during the hours most favorable to the production of portraits.