An old vernier sextant. Beautiful! Measuring the Altitude and angles of the sun. Similar instruments used for surveying geography. The team approach having a group of friends make conversations that survey a persons character gently without making offence.
Sextant, as in CARRY ON, MR. BOWDITCH by Jean Lee Latham. Teachers, make this book real and fun in straight-from-the-story ways! Hands-on, multisensory activities, academic handouts, and lots more -- all in one place! Get the LitWits Kit at https://litwits.com/product/carry-on-mr-bowditch/
Shipwreck found with Viking sun stone An oblong crystal found in the wreck of a 16th-century English warship is a sunstone, a near-mythical navigational aid said to have been used by Viking mariners. source