Catalogue : mathematical and engineering instruments and materials manufactured and imported by James W. Queen & Co. (1880)
James W. Queen & Company · James W. Queen & Co. · leaf 158
JAMES SV. QUEEN d Co., PHILADELPHIA. THE ARCHITECTS COMPASS LEVEL. 150 * … A lo77. No. A 1-377. This instrument issirnilir tot!,.- V.rcliit Level before de i ribecLliit is fitted with compass w ith S] in h needle. I hithat it adds |i<< tically nothing to the weight or bulk, and does ninterfere \s ith the portability of th< itroment, whilst its ealuemany kinds of…