. Carnegie Institution of Washington publication. PLATE 3. 1. Ritchie standard compass, 2. Ritchie azimuth circle. Compasses and Azimuth Devices, 1905-1908. 3. Ritchie compass mounted m binnacle. 4. Ritchie compass mounted for shore observations. 5. Kelvin compass and azimuth Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington

---

Size: 1383px × 1807px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookauthorcarnegie, bookcentury1900, bookdecade1910, bookyear1917