AppMarketSpy › Education › Orbits of the Meridian Circle
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App info
- Developer
- Ignacio Morearty
- Category
- Education, Reference
- Released
- Aug 31, 2026
- Version
- 2 (Sep 3, 2026)
- Price
- Free
- Size
- 23.1 MB
- Requires
- iOS 16.0
- Age rating
- 4+
- Languages
- English
In-app purchases
noneCurrent prices, App Store US.
About Orbits of the Meridian Circle
Orbits of the Meridian Circle is an optical registry and astronomical transit collimation analyser created for observatory curators, horologists, and collectors of antique scientific instruments. Dedicated to cataloguing late 18th- and 19th-century mural quadrants, transit circles, and graduated vernier limbs, the app archives microscopic spider-thread reticle layouts, counterweight pivot systems, and axis-levelling error screws. It also features a real-time optical reticle star-transit timing engine.
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