Seller: dfrowe777 (626) 100%, Location: Asheville, North Carolina, Ships to: US & many other countries, Item: 264567003575 Downeaster Don Ford Mareograph marigraph Tides Marine Instrument Nautical Analog. Tide gauge. Works great. Stored in an air conditioned home. Purchased new in the late 70’s. I believe these were Made on Cape Cod. Very rare. Much more attractive than any of the others on the market. The body looks to be made of a tropical hard wood. Similar in quality build to Maximum Instruments. Shipped with USPS Priority Mail.