Details
A mining dial,
by P. Emmert, Berlin - Steglitz, the compass bowl with silvered dial, gimbal-mounted with two suspension hoops, a quadrant attachment for inclination, contained in a fitted leatherette-covered case -- 11in. (28cm.) wide; and a brass triple-radius drawing protractor by Clemens Riefler Nesselwang No. 581, with stamped scales, contained in a wood case (defective) 17½in. (44.5cm.) long
See Illustration (2)
by P. Emmert, Berlin - Steglitz, the compass bowl with silvered dial, gimbal-mounted with two suspension hoops, a quadrant attachment for inclination, contained in a fitted leatherette-covered case -- 11in. (28cm.) wide; and a brass triple-radius drawing protractor by Clemens Riefler Nesselwang No. 581, with stamped scales, contained in a wood case (defective) 17½in. (44.5cm.) long
See Illustration (2)