June 2012 page 18
Kuno Gross
Malcolm Barnfield

Sonnenkompass 41

This addendum describes the German Sonnenkompass 41, issued to the Sonderkommando Dora unit in North Africa during WWII. Based on an analemmatic sundial, it featured removable dial plates for different latitudes and seasons, including German Summer Time adjustments. Despite its design, field reports deemed it unsuitable for desert use due to gnomon issues, leading to its obscurity.
Dials: Analemmatic, Dials: Portable, Historical Dials

September 2012 page 7
Doug Bateman

Check-in at Noon—A noon dial with analemma at an airport check-in desk

This article describes a unique noon dial with an analemma at Rovaniemi Airport, Finland, designed by Professor Emeritus Lauri Anttila in 2000. An angled mirror in the roof casts sunlight onto the floor to indicate months, with the design assuming passengers are aware of time zone differences.
Construction Projects, Dials: Analemmatic, Dials: Noon Lines, Sundial Design & Layout

September 2012 page 26
David Brown
Harriet James

New Dials

This section introduces several recent sundial projects, including an Olympic sundial by David Brown (an analemmatic dial), a vertical school science centre dial featuring periodic table elements, and the Angel with Sundial at Talaton church by Harriet James, inspired by Chartres Cathedral.
Dials: Vertical, Dials: Analemmatic, Sundial Design & Layout, Construction Projects

December 2012 page 15

New Dials

This section showcases several contemporary sundials, including a Corian® vertical dial in Pocklington by Stephen Holehan, based on an 1854 design. It also highlights analemmatic dials by Douglas Hunt's Modern Sunclocks for public sites and playgrounds, and a tile-based dial from High Peak Community Arts in Ston, Croatia.
Construction Projects, Dials: Analemmatic, Dials: Vertical, Sundial Design & Layout

June 2011 page 20
Malcolm Barnfield

The Sundial Goes to War: Part 1

This article explores the military use of solar compasses, particularly during World War II, for navigation in unmapped desert terrains. It describes several models, including the Burt, Abrams, Cole Universal, Bagnold, and Union Observatory sun compasses, highlighting their principles and operational advantages.
Dials: Analemmatic, Dials: Portable, Dialling Tools, Historical Dials

March 2010 page 12
Doug Bateman

An Equatorial Analemmatic and Calendar Sundial, Alicante, Spain

Describes a modern, equatorial meantime sundial on the marina in Alicante, Spain, designed by Juan Vicente Pérez Ortiz. The dial features a 'cut-out' analemma shape and a slot for apparent time, and has scales for both local and time zone time.
Dials: Analemmatic, Dials: Equatorial, Equation of Time

December 2010 page 44
Brian Albinson

New Dials (2)

This article describes a walk-on analemmatic sundial designed for Highlands School in North Vancouver, Canada, using 'Alemma' software. It features a double analemma design to provide direct mean time with minimal error, accommodating the equation of time correction. Parent volunteers built the dial, using plywood jigs and bronze survey markers for permanent reference.
Construction Projects, Dials: Analemmatic, Equation of Time, Sundial Design & Layout

March 2009 page 18
Ken Head

Construction of my Lawn Analemmatic Sundial

This article provides practical details for designing and constructing a durable lawn analemmatic sundial using readily available materials. It covers establishing the north-south line, calculating dimensions, making hour markers from tree-trunk lengths, crafting a date scale from timber, and ensuring precise installation for accurate solar timekeeping.
Dials: Analemmatic, Sundial Design & Layout, Construction Projects, DIY Sundial Projects

March 2009 page 28
Aleksandr M Boldyrev

A Russian Analemmatic Dial

This article details the design and robust construction of an analemmatic sundial installed in the paving of an embankment in Shelkovo, Russia. It covers the use of AutoCAD for design, creating plaster-of-Paris and beeswax models, the ceramic mould casting process for bronze elements, and building substantial concrete foundations to ensure durability against vandalism and weathering.
Dials: Analemmatic, Sundial Design & Layout, Construction Projects

March 2008 page 13
Graham Stapleton
John Moir
Ken Head
George White

Readers’ Letters

A collection of letters. Graham Stapleton suggests new glossary terms; John Moir corrects a previous 'Almost Sundial' entry; Ken Head clarifies how to use analemmatic dials; George White discusses the Bath Tompion dial and its uncertain link to the Pump Room clock.
Dials: Analemmatic, Dials: Portable, Historical Dials

September 2008 page 143
Douglas Hunt

New Dials (cont.)

Douglas Hunt reports on a new analemmatic mosaic sundial inaugurated in April 2008 in Cecil Plains, Queensland, Australia. Designed by local artist Alain Colfs with layout plans from Modern Sunclocks, the dial features anti-clockwise hour markers and a date-scale, located near the tropics in the Southern Hemisphere.
Construction Projects, Dials: Analemmatic, Sundial Design & Layout

December 2008 page 160
Ken Head

Analemmatic Dials—Design Data

This article provides a summary of data and equations needed to delineate and set out analemmatic sundials. It discusses the projection of an equatorial dial onto a horizontal surface, using a vertical gnomon whose position varies with the sun's declination, and the calculation of sunrise and sunset markers using Lambert circles and Bailey Points.
Dials: Analemmatic, How Sundials Work, Mathematics of Dialling, Sundial Design & Layout

June 2007 page 78
Ken Head

Sunrise and Sunset Hours on a Garden Analemmatic Dial

This article discusses the determination of sunrise and sunset directions and times using garden analemmatic sundials. It explains the dial's principles, the Bailey points for seasonal markers, and evaluates the accuracy of these markers, noting discrepancies and suggesting practical applications for garden dials despite minor errors.
Dials: Analemmatic, How Sundials Work, Mathematics of Dialling, Sundial Design & Layout

June 2007 page 82
Fred Sawyer
Michael Faraday
Tony Wood

Readers’ Letters

This section contains reader correspondence. Fred Sawyer corrects an article on dual sundials, attributing the self-setting property to Vaulezard (1640) rather than Tuttell (1698). Mike Faraday asks for a website to track the terminator for sunrise times. Tony Wood clarifies the location and movement of the Ross-on-Wye pillar dial.
Dials: Analemmatic, How Sundials Work, Historical Dials

December 2007 page 161

New Dials

This section showcases several newly completed sundials. It features a memorial dial at Westminster School for Adolph and Freda Prag, an elliptical dial carved in Portland stone, a unique double horizontal dial for the southern hemisphere on Okatjorute Farm in Namibia, a late Saxon memorial sundial for a dog in Macclesfield, and a large analemmatic dial in Pollagh, Co. Galway, Ireland, at Brigit's Garden.
Dials: Horizontal, Dials: Analemmatic, Dials: Double Horizontal

December 2007 page 173
Frans W. Maes
Roger Bailey
Frank King
Ken Head
J. P. Lester
Malcolm Barnfield

Readers’ Letters

This section contains various letters from readers. Frans W. Maes discusses Lambert circles and seasonal markers on analemmatic sundials. Roger Bailey provides corrections and recommendations for seasonal markers. Frank King confirms a relationship for seasonal marker distance. Ken Head replies to Maes and Bailey. John Lester solves the mystery of a partial sundial motto. Malcolm Barnfield describes the making of a noon cannon sundial.
Dials: Analemmatic, Sundial Design & Layout, DIY Sundial Projects, The BSS and Members

December 2006 page 146
Bernard Rouxel

Sunrise and Sunset Hours on Analemmatic dials

For an analemmatic sundial, the determination of the time of sunrise and sunset may be done using the intersection of Lambert circles with the ellipse of the sundial. However, this is practically difficult and the article explores a simpler solution using the intersection of a straight line and an ellipse.
Dials: Analemmatic, Mathematics of Dialling

March 2004 page 14
Frank King

H.M. The Queen, Shakespeare and Waugh: A Conspicuous Analemmatic Dial

This article details the design and construction of an analemmatic sundial for the Queen's Golden Jubilee, located in Old Palace Yard, opposite the House of Lords. It covers the challenges of designing for a cambered surface, the selection of stone from UK countries, the prominent Shakespearean inscription, and the intricate process of determining the scale of dates for the dial.
Construction Projects, Dials: Analemmatic, Sundial Design & Layout

June 2002 page 72
Anne Jappie

A Sundial for Dunscar Wood, Bolton, Lancashire

An account of the creation and community involvement in erecting a new sundial in a public woodland area.
Dials: Analemmatic

December 2002 page 170
John Carmichael

A 'Table Top' Analemmatic Sundial

Compact design for a small-scale analemmatic sundial suitable for indoor or portable use, with layout guidance.
DIY Sundial Projects, Dials: Analemmatic

June 2001 page 77
Michael Hickman

From Waugh to Weir: Easy Analemmatics

Michael Hickman introduces a non-mathematical method for designing analemmatic sundials using Weir's Azimuth Diagram. He explains how this navigational tool can be adapted to plot hour points and declination scales for dial design without complex trigonometry, making the process accessible to a broader audience.
DIY Sundial Projects, Dials: Analemmatic, Mathematics of Dialling, Sundial Design & Layout

June 2000 page 103
John Singleton

A Portable Analemmatic Dial

Design and rationale for a moveable analemmatic sundial suitable for demonstration or travel.
DIY Sundial Projects, Dials: Analemmatic

October 2000 page 125

Sundials for the Year 2000 AD

Showcase of sundials commissioned or constructed to commemorate the millennium year.
Dials: Analemmatic, Dials: Equatorial, Dials: Horizontal, Dials: Vertical, The BSS and Members

June 1999 page 99
David Young

Lieut. Commander Richard (Dick) Andrewes DSC.R.N.

This tribute remembers Lieut. Commander Richard "Dick" Andrewes, a BSS member known for his wartime naval service, mathematical degree, and enthusiasm for dialling. He designed a unique dial for his home and an analemmatic dial for a conservation centre. He is particularly remembered for delineating a scaphe dial at the Horniman Museum, ingeniously overcoming its organic shape by using a marble to find the bowl's lowest point.
Dials: Analemmatic, Dials: Scaphe, The BSS and Members

February 1998 page 26
John Singleton

Analemmatic Dial with a Fixed Gnomon

Proposes an analemmatic dial that retains a fixed upright gnomon by drawing a series of ellipses, scaling and shifting them to avoid crossing lines and confusion when reading it.
Dials: Analemmatic, Mathematics of Dialling, Sundial Design & Layout

February 1995 page 39
Fred Sawyer

Of Analemmas, Mean Time and the Analemmatic Sundial – Part 2

Continued discussion on the analemma and its use in sundials, particularly analemmatic types, including the relation to mean solar time and design techniques.
Dials: Analemmatic, Equation of Time, Mathematics of Dialling

February 1995 page 44
Fred Sawyer

Analemmatic Sundial

A companion piece offering additional commentary or diagrams for analemmatic sundial design, expanding on the previous article.
Dials: Analemmatic

June 1994 page 2
Fred Sawyer

Of Analemmas, Mean Time and the Analemmatic Sundial - Part I

An in-depth historical and mathematical exploration of the analemma and its application in sundial construction. This first part traces its etymology and use from ancient times through Ptolemy, Vitruvius, and Renaissance scholars, connecting it with the development of the analemmatic sundial. Richly referenced and scholarly, it bridges history and design.
Dials: Analemmatic, Historical Dials, Mathematics of Dialling

June 1994 page 39
Robert McVean

The Transylvanian Analemmatic Sundial

An examination of an analemmatic sundial discovered in Transylvania, analysing its layout, mathematical principles, and probable origin. The author reflects on its preservation and the unique aspects of its design that distinguish it from Western examples.
Dials: Analemmatic, Historical Dials

October 1993 page 39
Colin McVean

Swindon Memorial Sundial and A New Analemmatic Dial at Leicester

This article describes the design of a horizontal dial commissioned in memory of a police constable and placed in Swindon Town Gardens. The author details the process of laying out hour lines and setting up in the absence of sunshine. It also describes the installation of an analemmatic sundial at Leicester, a photograph shows the preliminary layout, with the observer acting as the gnomon, demonstrating the dial's function in determining time.
Dials: Analemmatic, Dials: Horizontal, Sundial Design & Layout

February 1992 page 19
H. R. Mills

The Azimuth Dial

This article describes the azimuth dial, a type of horizontal dial with a vertical style, derived from the equatorial dial formula. It explains that while a vertical style at the center of a horizontal circle cannot show time correctly throughout the year due to declination changes, projecting an equatorial circle onto a horizontal plane forms an ellipse for the hour lines. The article provides the formula for the shadow angle and suggests this as a useful project for understanding geometry and for practical marking in playgrounds or gardens.
DIY Sundial Projects, Dials: Analemmatic, Dials: Equatorial, Dials: Horizontal, Mathematics of Dialling

February 1992 page 36

Letters to the Editor

This section contains several letters. H.R. Mills provides mathematical formulae for an analemmatic dial, J.G. Freeman describes the bifilar sundial with two horizontal wires, and Alex Monroe encloses a photograph of his portable equatorial dial. M.J. Cowham contributes notes on John Worgan's work, highlighting a distinctive English Rose design on his instruments.
Dials: Analemmatic, Dials: Bifilar, Dials: Equatorial, Dials: Portable

February 1991 page 32
Margaret Stanier

A 'human' Sundial.

This analemmatic sundial in a Cambridge playground functions by having a child stand on a stone, with their shadow falling onto numbered tiles to indicate the time. The design is intended for summer use and features an inscription on the stone base.
Dials: Analemmatic

July 1991 page 24
Mark Lennox-Boyd

The Analemmatic Dial

Mark Lennox-Boyd presents a trigonometric proof for the correctness of the equations for laying out an analemmatic dial, aiming to clarify Rene Rohr's complex explanations. Using a diagram relating equatorial, horizontal, and analemmatic dials, he derives three key formulae: one defining the elliptical shape of the dial, and two describing the vertical gnomon's displacement and the hour points angles. The diagram simultaneously provides a proof for the horizontal dial.
Dials: Analemmatic, Mathematics of Dialling

June 1990 page 17
Peter I. Drinkwater

Understanding the Lambertian Circles

This article explains the construction and practical application of Lambertian Circles in analemmatic dials. These circles, plotted from a specific centre through the foci of the hour point ellipse, determine the times of sunrise and sunset for any given day, applicable across different latitudes.
Dials: Analemmatic, How Sundials Work, Mathematics of Dialling

June 1990 page 29
Alan Smith

A Double Analemmatic Noon Mark

This article describes the empirical method used to construct a double analemmatic noon mark on a south-facing, east-declining wall. Over a year, the author meticulously plotted sunspot positions at noon to permanently engrave the overlapping analemmas, illustrating the dedication required for direct solar observation.
Construction Projects, DIY Sundial Projects, Dials: Analemmatic, Sundial Design & Layout

July 1989 page 5
René R.-J. Rohr

Lambert's Circles

An article by Rene R-J. Rohr discusses Lambert's circles and their relationship to analemmatic sundials. The article discusses how to determine the times of sunrise and sunset using these circles, including their application to the universal dial of Antoine Parent, and how they can be used to create a sun compass.
Dials: Analemmatic, Mathematics of Dialling

November 1989 page 2
Peter I. Drinkwater

An Analemmatic Dial on a Vertical Plane.

The author explores applying the analemmatic dial principle to vertical planes, contrasting it with the more common horizontal version. The article provides the trigonometric calculations necessary for constructing such a dial on a vertical declining plane, detailing how to find the sub-style to meridian, the dial's "latitude," and the difference of meridians. It describes the layout process involving primary and minor axis circles to generate hour points and arcs for zodiacal signs, explaining why a movable gnomon is impractical for vertical planes and instead a horizontal rod is used. The dial is presented as a philosophical exercise, a functional piece for those interested in the Zodiac, or an aesthetic wall ornament.
Dials: Vertical, Dials: Analemmatic, Mathematics of Dialling