Sundials - World's Oldest Clocks

North American Sundial Society

2010

Volume 17 Number 4, December 2010

  • Sundials for Starters – Limits On Precision - Robert L. Kellogg
  • Kate Pnd – “Come Light, Visit Me” – Art Paque
  • USA Science & Engineering Festival – Robert L. Kellogg
  • Sightings… At The University Of Notre Dame – Mark Montgomery
  • In Pursuit Of Alpine Sundials – Woodruff T. Sullivan III
  • Digital Bonus:
    • Versamap, Building & Using A Very Simple Heliodon
    • Paper Sundials On the Mall
    • Wendell Library Sundial
    • Last Scratchings of An Old Bird
    • 2010 Registry Update
  • Shadow Planes – Rolf Wieland
  • Dinsmore’s Comparative Time Table – Fred Sawyer
  • Quiz Answer: Rowbottom’s Slip – Rolf Wieland
  • Envelopes Of Sunrays As Gnomon Profiles – Ortwin Feustel
  • Dialing At Chalet de Graffigna – Matthew Sundquist
  • A Simple Heliodon – Mac Oglesby
  • Renaissance Crucifix Sundial Card Model – Chris O’ Connor
  • The Tove’s Nest

Volume 17 Number 3, September 2010

  • Sundials for Starters – Shadow Planes - Robert L. Kellogg
  • Digital Bonuses – Gnomonics Up North … to Refsun.exe application
  • The University of Georgia’s ’08 Sundial – John H. N. Whatley
  • UGA To Return Historic Sundial To Prince Avenue Campus
  • The Clock and The Sun-Dial – Antoine de la Motte
  • Love And the Sun-Dial – Thomas Moore
  • Solstice Point On  Analemmatic Sundials – Roger Bailey
  • The Analemmatic Dial Solstice Point & Gnomon Height – Fred Sawyer
  • Two Sundials At … Eisenhower’s Gettysburg Farm – James Ludwig
  • Quiz Answers: Chipchase’s Return – Fred Sawyer
  • Quiz: Rowbotton’s Slip – Fred Sawyer
  • Video On Photo-Etching Metal – Tony Moss
  • A Multiple Mirror Reflection Sundial – Silvio Magnani
  • A Note on the Equation of Time
  • The Ottoman Sundials In Aiello del Friuli – Gianni Ferrari
  • Gnomonics Up North “Le Gnomoniste” (1993-2010) André E. Bouchard
  • The Tove’s Nest

Volume 17 Number 2, June 2010

  • Sundials for Starters - Meridian Lines - Robert L. Kellogg
  • In Search Of Significant Alignments - Barry Duell
  • Quiz: Chipchase's Return - Fred Sawyer
  • Sightings... At Kitt Peak Observatory - Fred Sawyer
  • Quiz Answer: Ashton's Comeuppance - Fred Sawyer
  • The Linear Astrolabe of al-Tusi - Gnomonic Applications - Massimo Goretti
  • An Epigram - Trajan
  • Error Analysis Of A Monumental Garden Variety Sundial - Roger Bailey
  • A Note On Solar Declination Calculations - James Morrison
  • The Ring Dial - Alessandro Gunella
  • The Tove's Nest
  • Digital Bonus

Volume 17 Number 1, March 2010

  • Sundials for Starters - Faux Dials - Robert L. Kellogg
  • More Than A Sundial... - Jessica S. Warren
  • Quiz Answer: Hare's Reclining Decliner - Fred Sawyer
  • Quiz: Ashton's Comeuppance - Fred Sawyer
  • Analemmatic Sundials With Fixed Styles - Michel Vercasson
  • Sundials On Plane Surfaces - Herb O. Ramp
  • Digital Bonus
  • Sunrise And Sunset Hours For Analemmatic Sundials - Bernard Rouxel
  • Methods And Tools For Sundial Siting - Gianpiero Casalegno
  • A Calculator To Determine The Length Of Day & Night - Alessandro Gunella
  • The Marean-Kielhorn Director - Sasch Stephens
  • To A New Sundial (Poem) - Violet Fane
  • Horizontal And Vertical Polestyle Hours To Sunset Dials - Mac Oglesby
  • The Tove's Nest
  • Bowie Sundial Competition

2009

Volume 16 Number 4, December 2009

  • Sundials for Starters - Gnomons - Robert L. Kellogg
  • An Approximate Formula For The Equation Of Time - C. Julian Chen
  • Sundials On Cylinders - Helmut Sonderegger
  • Andreas Schöner's Stereographic Sundial Design - Sawyer, Schilke, Severino
  • Quiz Answer: A Tipped Dial Enigma - Fred Sawyer
  • The Equation Of Time - Early Days - Kevin Karney
  • An Affordable Equation Of Time Watch - Fred Sawyer
  • Quiz: Hare's Reclining Decliner - Fred Sawyer
  • Digital Bonus
  • The Sun-Dial (poem) - Richard Watson Gilder
  • On A Sundial (poem) - Richard Wilton
  • Geosetting In East Anglia - Fred Sawyer
  • Declination Lines In The Northern Polar Regions - Ortwin Feustel
  • The Tove's Nest
  • Portland Conference Retrospective - Roger Bailey

Volume 16 Number 3, September 2009

  • Sundials for Starters: Henge Craze - Robert L. Kellogg
  • Searching For The Fairfax Sundial - Robert L. Kellogg
  • Hours To Sunset Dials - Mac Oglesby
  • Quiz: A Tipped Dial Enigma - Fred Sawyer
  • Quiz Answered: Mr. Williams' Shaded Plot - Fred Sawyer
  • The Old Sun Clock - Denton J. Snider (1918)
  • A Possible Origin Of The Zarbula Method - Alessandro Gunella
  • An Interactive Reflection Heliochronometer - Silvio Magnani
  • Another Way Of Reflex Dialling - Immanuel Halton (1650)
  • Babylonian Hours And (Reversed Italian Hours) - Herbert O. Ramp
  • Digital Bonus
  • Temporal, Babylonian And Antique Italian Hourlines - Ortwin Feustel
  • The Historic Fort Pitt Sundial - Kelly Linn / Larry McDavid
  • Sightings: Rededication Of The Highland Park Sundial - James Holland
  • A Note On The Cross Stylus - Alessandro Gunella
  • Differential Dialing Scales - Fred Sawyer
  • The Tove's Nest

Volume 16 Number 2, June 2009

  • Sundials for Starters - The NASS Website - Robert L. Kellogg
  • Another Shadow Plane Hours Until Sunset Dial - Mac Oglesby
  • Intersection Of Equinox Line And Substyle Line - Herbert O. Ramp
  • The Enigma Of Ai Khanum - Jack Aubert
  • Quiz Answer: Bob's Design Parameters - Ortwin Feustel
  • Development Of The Christ Church Sundial - Don Petrie
  • Polar Storm - Fred Sawyer
  • Quiz: Mr. Williams' Shaded Plot - Fred Sawyer
  • The Sundial, Conscientious Objector (Poem) - Amos R. Wells (1921)
  • A Sundial Dating To The 17th Century - Andre E. Bouchard
  • Method For Recovering Design Parameters Of A Sundial - Gianpiero Casalegno
  • Digital Bonus
  • Angling For Precision - Tony Moss
  • The Tove's Nest

Volume 16 Number 1, March 2009

  • Sundials for Starters: The Sundial Registry - Robert L. Kellogg
  • Sidereal Time For The Homogeneous Analemmatic Sundial - Hendrik J. Hollander
  • A Vertical Declining Cast Concrete Sundial - Mac Oglesby
  • Indian Circles - Again - Alessandro Gunella
  • A Simple Trick For Reading Analemmatic Dials - Bill Gottesman
  • The New Time - A Poem Trilogy (1896) - Anonymous
  • Quiz Answer: Nicole's Reflections - Fred Sawyer
  • Quiz: Bob's Design Parameters - Ortwin Feustel
  • Ecliptical Planetary Hours - Fer J. de Vries
  • Sisters Of Charity Of Ottawa Sundials - Bailey & Seguin
  • The Vertical Sundial Of The Leimonos Monastery - Efstratios, et al.
  • Digital Bonus
  • A Derivation Of Formulae For Elevation And Azimuth - Herbert O. Ramp
  • Patron Saint Hildevert - Fred Sawyer
  • The Tove's Nest
  • A Projected Bury St. Edmunds EOT Curve - Kevin Karney

2008

Volume 15 Number 4, December 2008

  • Sundials for Starters: Azimuth Of Sunrise - Robert L. Kellogg
  • Lines For Unequal Hours Are Not Straight - Alessandro Gunella
  • Sheldon Moore's Sundial Business - Conn. Historical Society
  • A Triple Horizontal Sundial For California - John Davis
  • Gnomonics In A Japanese Jr. High School Entrance Exam - Barry Duell
  • Sightings... In Carnegie - Steven R. Woodbury
  • A Shadow Plane Hours-Until-Sunset Dial - Mac Oglesby
  • Slope Of The Summer Solstice Curve At Large Hour Angles - Ortwin Feustel
  • Quiz Answer: Ancient Sundial Location - Posed by Ortwin Feustel
  • A Glimpse Of Alsace - Fred Sawyer
  • Quiz: Nicole's Reflections - Fred Sawyer
  • The Tove's Nest
  • Digital Bonus
  • St. Louis Conference Retrospective

Volume 15 Number 3, September 2008

  • Sundials for Starters : An Analemmatic Sundial - Robert L. Kellogg
  • A Tide Dial - Joël Robic
  • An Unusual Graphical Method To Make A Vertical Dial - Alessandro Gunella
  • Quiz: Ancient Sundial Location - Ortwin Feustel
  • A Forgotten Sundial Designed By Thomas Jefferson - Snyder / Woodhouse
  • The Sundial At Jefferson Barracks In St. Louis - Snyder / Schuermann
  • A 125th Anniversary
  • Bifilar Origins - Fred Sawyer
  • A Note On The Spherical Gnomon Sundial - Hal Brandmaier
  • Illumination Of Vertical Sundials - Herbert O. Ramp
  • Digital Bonus : Bifilar Origins & Connections - Fred Sawyer
  • Quiz Answer: Location Lost - Rolf Wieland et al.
  • A Shadow Meter - Brian Albinson
  • A Triple Combo Sundial - Mac Oglesby
  • The Tove's Nest

Volume 15 Number 2, June 2008

  • Sundials For Starters: Gnomonic Pillar Sundial - Robert L. Kellogg
  • Inscription At George Washington's Birthplace
  • Homogeneous Analemmatic Sundials - Hendrik J. Hollander
  • Finding True North With A Theodolite - Barry Duell
  • Digital Bonus
  • Sightings - At the Golden Arches - Ludwig & Bailey
  • Conformal Maps For Oughtred's Double Horizontal Sundial - Ortwin Feustel
  • Quiz Answer: The Sun Compass - Vinck, Barmore & Wieland
  • Quiz: Location Lost - Rolf Wieland
  • Altitude Dials Of The Capoucine Family - Alessandro Gunella
  • The Tove's Nest

Volume 15 Number 1, March 2008

  • Sundials for Starters – Solstice & Equinox Lines - Robert L. Kellogg
  • The Fiber Optic Sundial At Les Halles - Mark S. Montgomery
  • The Sundial - Thomas Love Peacock
  • The Chinook Trail Sundial- John Carmichael
  • Orthomeridian Refraction Sundials - Part II - Rafael Soler Gayà
  • Sightings At Rock Island Arsenal, Illinois - Steven R. Woodbury
  • From "The Old Garden" - George MacDonald
  • Living In A Sundial: Solar Events At Sunwatch Village - Stephen Luecking
  • A Sun-Oriented Landscape Project - Bill Gottesman
  • Calendar And Sundials – Part II - Gianni Ferrari
  • Digital Bonuses
  • Quiz: The Sun Compass - René J. Vinck
  • The Tove's Nest

2007

Volume 14 Number 4, December 2007

  • Sundials for Starters : Vertical Declining Dials - Robert Kellogg
  • Sundials Using An Omnidirectional Lens - C. Julian Chen
  • The Astrolabe by James Morrison : Review - Thomas Kreyche
  • The Asymptotes - Alessandro Gunella
  • The Calendar And Sundials : Part I - Gianni Ferrari
  • Zarbula's Method - Roger Bailey
  • Sightings - In Grand Haven, Michigan - Michael Isaacs
  • Orthomeridian Refraction Sundials : Part I - Rafael Soler Gayà
  • Quiz Answer: Misaligned Analemmatic - Oglesby, Sawyer & Wieland
  • Book Notice : Four New Titles From France -
  • The Tove's Nest ....
  • World's Fastest Sundial ! - Bill Gottesman
  • Virginia Conference Retrospective - Don Petrie & John Schilke
  • Digital Bonus:
    • Compass.exe by Rolf Wieland
    • So you've bought a sundial.pdf by Don Petrie
    • ChenCompass.ppt and ChenSundial.ppt by Julian Chen
    • DesaguliersOzanam.ppt by Fred Sawyer
    • God'sLongitude.ppt and ZarbulasMethod.ppt by Roger Bailey
    • Nodus.ppt by Don Petrie
    • PoncetPlatform.ppt by Peter Mayer
    • MacOglesbySundials.ppt by Mac Oglesby (optional – due to size, 46MB)
    • TenTonsOfBasalt.ppt by Woody Sullivan (optional – due to size, 31MB)

Volume 14 Number 3, September 2007

  • Sundials for Starters: The Gnomon - Robert Kellogg
  • Improved Techniques For Laying Out A Meridian Line - Bill Gottesman
  • An Hour Glass And A Sun-Dial - Mary Carolyn Davies
  • Quiz Answer: Azimuth - Bill Gottesman
  • Quiz: Misaligned Analemmatic - M. Oglesby & F. Sawyer
  • Sightings: In The Butterfly Garden - Steven Woodbury
  • Digital Bonus:
    • How a Sundial Works - Roderick Wall
    • Program EGEAR - Rolf Wieland
    • EOTDECtable.xls - Brian Albinson
    • Sunpositioncalculator.xls - Bill Gottesman
    • Cardinaldirections.exe - Bill Gottesman
    • Circular of The Bureau of Standards, No. 402 - a 1933 U.S. Government publication on sundials
  • A Perplexing Sundial At Morehead State University In KY - J.J. Birriel & J.E. Griffiths
  • The Vertical Sundial Of The Church Of Panaghia Skripou - E. Theodossiou, V. Manimanis, & P. Mantarakis
  • Del + Pin H.O.R. MCMXCVII - Herbert O. Ramp
  • Elliptical Dialing - Rolf Wieland
  • A Highly Accurate Modified Sundial - Bruce MacKay
  • Simple Expression For The Equation Of Time - Alan Whitman
  • A Generous Contribution To The Registry - Larry McDavid
  • The Tove's Nest
  • A Vintage Advertisement

Volume 14 Number 2, June 2007

  • Sundials for Starters - Construct A Simple Equatorial Dial - Robert Kellogg
  • Bifilar Sundials - Bernard Rouxel
  • Hollander Dial Software - Brian Albinson
  • A Survey Of Simulated Gnomonic Designs - Luigi Ghia / Tonino Tasselli
  • Quiz: Azimuth - Bill Gottesman
  • Sightings. In Greenville, South Carolina - Steven Woodbury
  • Oughtred - Alessandro Gunella
  • Measurement Of Wall Declination - Herbert O. Ramp
  • Quiz Answer: Robinson's Quandary - Fred Sawyer
  • Expanded Az-Nomograph . - Mac Oglesby
  • Reflection Sundial With A Shadowing Rod - Gianni Ferrari
  • Digital Bonuses
    • Brian Albinson's software for the drawing of Hendrik Hollander's mean time sundial
    • Helmut Sonderegger's latest update to his SONNE program for drawing sundials
    • Fer de Vries' expanded DeltaCad® macro Az-Nomograph-Plus-Bab-Ital.bas
    • Roderick Wall's How a Sundial Works And Using George Serle's Sundial Rulers....
    • Tonino Tasselli and Luigi Ghia's animated survey of many different types of virtual sundials
  • The Tove's Nest
  • To A Sun-Dial - Elizabeth S. Bates
  • J. Mandl's Altitude Abac - Fred Sawyer

Volume 14 Number 1, March 2007

  • Sundials for Starters: A Graphical Dial Construction - Robert Kellogg
  • Sightings... At The Denver Federal Courthouse - Steven Woodbury
  • A New Family Of Cylinder Sundials - Joël Robic
  • An Azimuth Nomograph & Some Azimuth Cylinder Sundials - Mac Oglesby
  • Old Public Sundials In Tallinn - Uno Kurvet
  • An Osculatory Sundial - Fred Sawyer
  • Patent Corner: The Paddock Sundial Sculpture - Fred Sawyer, Mac Oglesby
  • Digital Bonuses - Various
  • Adventures Of Capt. John Smith, Pocahontas, And A Sundial - Sara J. Schechner
  • Telling Time With Quaternions - Paul Kinion
  • Quiz Answer: The Shadow Of A Roof - Rolf Wieland
  • Eggs And Sundials - Bernard Rouxel
  • Quiz: Robinson's Quandary - Fred Sawyer
  • A Sighting In St. Augustine, Florida, Revisited - Don Snyder
  • The Tove's Nest ....
  • Uno Kurvet's Sundial Card - Uno Kurvet

2006

Volume 13 Number 4, December 2006

  • Sundials for Starters: The Analemma - Robert Kellogg
  • Quiz: The Shadow Of A Roof - Rolf Wieland
  • The Tower Of The Winds In Athens - Theodossiou, Manimanis, Mantarakis
  • Different Sundials By John Carmichael - John Carmichael
  • Quiz Answer: A Puzzle By Eise Eisinga - Frans Maes
  • Digital Bonuses From Vancouver – various
  • Mike Shaw's Buyer's Guide
  • Roger Bailey's Time and Tides
  • Tony Moss' My Stainless Reputation (CD edition only)
  • Roger Bailey's Victoria Sundial Tour, and Timelines (CD edition only)
  • Len Berggren's Sundials In Geminos (CD edition only)
  • John Carmichael's Different Sundials (CD edition only)
  • John Carmichael's Nodi Shadow Experiment
  • Geometric Remarks On The Foster-Lambert Dial - Alessandro Gunella
  • Relationships Between A Style And Its Hour Plane - Mac Oglesby
  • The General Analytical Method For Bifilar Sundial Design - Rafael Soler Gayá
  • Sightings - from Jamestown, Virginia - Steven Woodbury
  • Sundials With A Double System To Show The Hours - Gianni Ferrari
  • - sicut in cælo et in terra et in cælatura - Fred Sawyer
  • The Tove's Nest - .
  • Vancouver Conference Review
  • Sundial Day Proclamation
  • World Sculpture Project Info

Volume 13 Number 3, September 2006

  • Sundials for Starters: Latitude And Dial Design - Robert L. Kellogg
  • Bi-Gnomon Sundials - Hendrik Hollander
  • Mean Time Sundial With A Cone Gnomon - Hendrik Hollander
  • Equations For Hollander's Mean Time Sundial - Fred Sawyer
  • Towering Timepiece - Howard Hebel
  • The Construction Of An Italic Dial In A Hemisphere - Alessandro Gunella
  • Designing Declining/Inclining Sundials Using Vectors - Herb Ramp
  • Quiz Answer: Finding 'True' North - Rolf Wieland
  • Digital Bonuses - Various
  • Triangle – Rolf Wieland
  • Make A Horizontal Sundial - Bob Kellogg
  • HourLinesLatitude – Tony Moss
  • Peaucellier – Fred Sawyer
  • Lund Manuscript – Anonymous (only on CD edition)
  • The First "Camera Obscura" Sundial - Gianni Ferrari
  • An Unknown Manuscript Of Gnomonics - Nicola Severino
  • The Tove's Nest ....
  • Quiz: A Puzzle By Eise Eisinga - Frans W. Maes

Volume 13 Number 2, June 2006

  • Sundials for Starters: A Matter Of Longitude - Robert Kellogg
  • The Grand French Tradition In Gnomonics - André E. Bouchard
  • Quiz: Finding "True North" - Rolf Wieland
  • Ameyalli Xiuhcóatl: The Sun In The Snake - Reinhold R. Kriegler
  • Digital Bonus: Ozanam's Problems et al. - Ozanam, Bailey, Bercovitz, King & Moss
  • Peaucellier Sundials - Fred Sawyer
  • The Analemmic Equatorial Sundial - René J. Vinck
  • The Quadruplex Sundial Of Tinos - Theodossiou, Mantarakis & Manimanis
  • Quiz Answer: A Vertical Dial's Declination - Gianni Ferrari
  • The Tove's Nest

Volume 13 Number 1, March 2006

  • Sundials For Starters - Robert Kellogg
  • Sundials By CAD: An Inspiration - Tony Moss
  • The Exploration Of Sundials As An Interdisciplinary Task - Klaus Eichholz
  • On Drawing Analemmatic Dials On The Ground - Anselmo Pérez Serrada
  • A Stereographic Layout Technique - Fred Sawyer
  • Quiz Answer: Ozanam's Construction - Rolf Wieland
  • Bonus: Lecture Notes In PowerPoint - Eichholz & Moss [SEPARATE DOWNLOAD]
  • Sightings - At The Solar Decathlon 2005 - Steven R. Woodbury
  • Quiz: A Vertical Dial's Declination - Gianni Ferrari
  • Epicycloidal And Hypocycloidal Sundials - Bernard Rouxel
  • Letters, Notes, Email, Internet ....
  • To The Sun-Dial - John Quincy Adams