Sextant Geocoin JohnnyM.'s Sextant Geocoin

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Owner:
JohnnyM. Send Message to Owner Message this owner
Released:
Sunday, November 22, 2009
Origin:
Hlavní město Praha, Czechia
Recently Spotted:
In the hands of the owner.

This is collectible.

Use TB35QJF to reference this item.

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Current Goal

To be in small collection of my owner.
I want to travel from event to event with my owner.
You can see me in the hands of JohnnyM. mostly stays in Prague (Czech Republic).

About This Item

JohnnyM.'s Sextant Geocoin

The octant and sextant replaced most of the earlier navigation tools in the late 1700s such as the back staff, mariner's astrolabe, and quadrant. The octant is 1/8 of a circle and a sextant is 1/6 of a circle. The sextant allowed for more range in the degree scale over the octant.

The biggest improvement the sextant made over all other sighting tools (except the octant) is its double reflecting mirrors which eliminated the ocular parallax other tools caused. It also allowed for greater accuracy by having finer degree adjustments.

The sextant design is so universal and accurate that it is still used on ships today as a backup instrument to electrical navigation devices. Even aircraft used these as backups if their avionic systems failed.

Gallery Images related to JohnnyM.'s Sextant Geocoin

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Tracking History () View Map

Discovered It 5/20/2022 madmag66 discovered it   Visit Log

👍👍in Prag gesehen 👍👍🌶🌶✌️✌️
Discovered It 5/19/2022 Loup Silencieux discovered it   Visit Log

Découverte d'un bon nombre d'objets voyageurs...et de géocacheurs voyageurs, vu que certains codes étaient sur leurs vêtements...

MPLP
Discovered It 5/19/2022 Iceorchidee discovered it   Visit Log

Diesen tollen Coin/TB durfte ich heute am Event discovern und mit TBScan loggen.

Danke für's Zeigen

Iceorchidee 🪷 Katrin
Discovered It 5/19/2022 Dryjak discovered it   Visit Log

Thanks, discovered at GIGA Prague 14.5.2022
Discovered It 5/19/2022 Maloup discovered it   Visit Log

Vu au GIGA, merci pour ce partage
Discovered It 5/19/2022 Grotprof discovered it   Visit Log

Thanks, discovered at GIGA Prague
Discovered It 5/19/2022 DD_LL discovered it   Visit Log

⭕⭕⭕⭕

GIGA PRAG

Wir sagen Danke fürs zeigen des Trackable

DD_LL

⭕⭕⭕⭕
Discovered It 5/19/2022 boarderjenne discovered it   Visit Log

In Prag auf dem Giga gesehen!
Discovered It 5/19/2022 Vilík discovered it   Visit Log

Zahlédnuto na GIGA Eventu v Praze
Discovered It 5/19/2022 jackcrusher discovered it   Visit Log

Widziałem na GIGA EVENT w Pradze. Dziękuję:)
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