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How to use a sextant
Collection of Historical Scientific Instruments
3 ก.พ. 2015
การดู 310,802 ครั้ง
Sextant Tutorial: The Principle of the Sextant
Getting Started in Celestial Navigation (The Marine Sextant)
คณิตศาสตร์ช่วยในการเดินเรือในทะเลได้อย่างไร? - จอร์จ คริสตอฟ (George Christoph)
Sextants and the History of Celestial Navigation
Sextant Tutorial: Taking Sights With A Sextant
Can a $20 sextant tell me where I am ?
How did early Sailors navigate the Oceans?
Calibrating and Using A Sextant
Use a Lensatic Compass with a map & without
How an 18th Century Sailing Warship Works
Celestial Navigation Made Easy - Part 1 of 2
How To Navigate Using the Stars
Sun Compass Shadow Stick Method
Sextant Tutorial: Errors and Corrections
Map and Compass (Simplified)
How Does Kodak Make Film? (Kodak Factory Tour Part 1 of 3) - Smarter Every Day 271
How Does a Sextant Work?
SEKSTANT - OSNOVNO
How to Navigate by the Sun
How GPS Works Today