LINKS
A Walk through Time
 The Evolution of Time
Measurement
Calendars Through The
Ages 
Astrolabes/
Astrolabe Design
Astrolabes
Martin Brunold Astrolabes
- Sundials
Keith's Astrolabes
Shadows (Astrolabe Design)
The Astrolabe
The Astrolabe: an Online
Resource
British
Horological Institute
BHI 
Books/
Videos
M. V. Headrick - Clock and Watch Escapement
Mechanics (Internet)
Henry C. King - Geared to the Stars
(second hand)
Andre Lehr - De Geschiedenis van het
Astronomische Kunstuurwerk
James Evans - The History & Practice
of Ancient Astronomy
Jo Marchant - Decoding
The Heavens
John Locke - Making a Tellurian/ Orrery
(second hand)
Otto Mortensen - Jens Olsen's Clock
(second hand)
J.Malcolm. Wild - Wheel
and Pinion Cutting in Horology
John Wilding Books
Clock
builders
Roger Bunce
Carlo. G. Croce
Clockmaker Jorgen Jorgensen
P. Coleman
Mark Frank - An Astronomical Skeleton
Clock
Sean Pat Gallagher
Toine Dealmans - The Astronomical
Clock
Lei Lennaerts - English
Lantern Clocks
Rex Swenson
Clock
Builders Club
Klokkengroep 's Hertogenbosch
(Dutch)
CNC/
(Bevel) Gear software/ Metal Working/ Utilities/ Microscrews
Bob Warfield's CNC Cookbook
Josh Madison - Convert
How Stuff Works - Gears
Frank J. Hoose's Mini
Lathe Site
John Moran's Mini Lathe
Site
Majosoft's Metal working
Site
Making Multi-Point Gear
Cutters
Metal Web News 
Tips from Sherline Machinists
(Bevel gear cutting)
King Microscrews
Dan Kautz - The Hobbyist's
Machine Shop
Tony Jeffree's Model Engeneering
Pages
Marv Klotz's Utilities
(gear software)
Eise Eisinga Planetarium 
Planetarium Zuylenburgh 
Festo Harmonices Mundi
Giovanni de Dondi Astrarium
Prague Astronomical clock
Prague five kinds of time
on one clock
The Astronomical Clock
of Beçanson
The Corpus Clock
The Long Now Foundation
The Restoration of Jens
Olsen's clock
The Richard Wallingford
Clock
The Türler Clock
Wier - An Astronomical
Clock
Wikipedia - Astronomical
Clock
Wildrik Botjes Planetarium
History/
Information/ Cartography/ Archaeoastronomy
Almagest Ephemeris Calculator
Almagest Planetary Model
Animations
Archaeoastronomy
Astronomical Clocks of
the Middle Ages
Astronomicum Caesareum
Astronomy References 
Armagh Observatory (The
Human Orrery)
Celestial Cartography
Heavenly Mathematics &
Cultural Astronomy
Graphic work and models
for scientific visualization
Museo Galileo - Cosmic
Machines
Planetaria Models/ Telluriums
The Center of Archaeoastronomy
The Dutch Connection -
A short history of the Dutch Clock
Time for Clocks - Astronomical
Clocks
Webpages on the History
of Astronomy
National
Association of Watch & Clock Collectors
NAWCC 
Orrery
Builders
Adam Richard Cooper -
Sharing Various Things
Brian Greig Orrery Maker
Carlo. G. Croce 
Ian Coote - Ferguson's
orrery
Clayton Boyer Ferguson's
Mechanical Paradox Orrery
Eugene Sargent
Peter Grimwood Orreries
UK
The Long Now Foundation
Dave Goodchild The Wooden
Orrery
Planetarium
programs/ software
Astrotour (model of the
solar-systeem)
C2A
Hnsky
Skychart/Cartes du Ciel
Stellarium
Winstars
Planispheres
(Star Wheels)
R. Walrecht Productions 
Professional
Clock & watch Builders
Arcadian Clock Co.
Andrew Vorontsov Skeleton
Watches & Clocks
Christiaan van der Klaauw
Astronomical Watches
Sinclair Harding Sun and
Moon Clocks
The St.Petersburg Centre
of Watch & Clock Restoration
Whitehurst
Phillipe Wurtz
(Re-Design
of) The Antikythera Mechanism
Bob Warfield - CNC Cookbook
The Antikythera Artifact
The Antikythera Computing
Device
Tatjana van Vark - The
Essence of the Antikythera Mechanism
Mogi Massimo Vicentini
- The Antikythera Celestial Machine
The Antikythera Mechanism
Research Project
Sites
with many Horological Resources
Antiquarian Horological
Society
Horology - The Index 
The Horological Foundation
Uncle-B
Watch-Inc List of Clocks
& Timekeeping Resources
Sundials/
Sundial Design
Roger Bunce - My Sundial
Frans Meas - Sundial Site
Shadows (Sundial Design)
The British Sundial Society
The North American Sundial
Society
Heiner Thiessen - Solar
Time 
Watch
and Clock Building Information
The Secret Live of Continued
Fractions
John Wilding and other
makers -Wheels and Pinions
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