Good Condition. Cover is loose and torn on spine . .inside pages very good. Serial No. 122 January 1, 1917. Vol 4 No 44. 12 pages plus 6 pages of photos with story. Mather Sundial Princton, NJ
Pulpit Two-Hour Glass
The Great Clock, Strassburg, Germany
Watch-Testing Cabinet
Astronomical Clock at United States Naval Observatory
Time Service Room at United States Naval Observatory