Octant Websites:
marineantiques.com
Andrew Jacobson Marine Antiques
We deal in ship models, paintings, prints, artifacts, photography, navigational instruments, scrimshaw, out-of-print books and ephemera. We're located thirty miles north of...
etesseract.com
TESSERACT -- Antique Scientific Instruments -- Homepage
This site offers for sale all manner of rare, early antique scientific and medical instruments. Everything is illustrated, well-researched and described, and priced. TESSERACT...