Category Archives: Theodolite, Cooke, Troughton & Simms ALSA 2006.19.01
s/n V012509. This theodolite reads directly to 20 minutes of arc on its horizontal and vertical scales; and on the verniers it reads directly to 20 seconds of arc. The Manufacturer is COOKE, TROUGHTON & SIMMS, LTD. in YORK, ENGLAND.
Theodolite, Cooke, Troughton & Simms s/n V012509
s/n V012509. This theodolite reads directly to 20 minutes of arc on its horizontal and...