Description of the camera lucida : an instrument for drawing in true perspective, and for copying, reducing, or enlarging other drawings : to which is added ... A letter on the use of the camera / by Capt. Basil Hall ... ; Sold by G. Dollond, optician to His Majesty, 59, St. Paul's Church Yard, London, who was the sole manufacturer of this instrument to the patentee, the late Dr. W.H. Wollaston.