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June 1994
The articles link to the specific page in a PDF optimised for speed. If you want the whole issue, you can download it here, but the files from earlier years can be quite large.
June 1994
Page 1
Page 1
A multi-part section comprising a report on sundial-related activities in the Netherlands, including design ideas and restoration plans, followed by two detailed obituaries. The first honours José Antonio Garcia-Diego’s contributions to hydraulic engineering and the history of science, while the second celebrates George Higgs’ legacy as a craftsman and pioneer in British sundial work.
June 1994
Page 2
Page 2
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 7
Page 7
This article explores early timekeeping devices designed for night use, especially nocturnals, which rely on the stars. The main focus is on an unusual 18th-century portable nocturnal made in Granada by Cecyl Yode, with reversed hour scales likely referencing Sirius and Vega. The piece blends astronomy, craftsmanship, and mystery.
Dials: Portable, Historical Dials
June 1994
Page 10
Page 10
A brief list of corrections to articles previously published in BSS Bulletins 93.3 and 94.1. These corrections address formula misprints, typographical errors, and minor factual inaccuracies, particularly in technical articles involving solar time calculation and sun compasses.
June 1994
Page 11
Page 11
A comprehensive study of three classic types of ring dials: poke dials, equinoctial ring dials, and astronomical ring dials. The article examines their mechanical function, historical development, geographical usage, and craftsmanship, with detailed illustrations and commentary on their strengths and limitations in practical sundialling.
Dials: Equatorial, Dials: Portable, Historical Dials
June 1994
Page 15
Page 15
This short article investigates a persistent myth regarding the orientation of hour lines on sundials. The author examines the historical origins of the misconception and clarifies the mathematical and astronomical principles that debunk it, providing a concise lesson in accurate sundial theory.
How Sundials Work
June 1994
Page 18
Page 18
A speculative and creative proposal suggesting that the ancients may have used barleycorns—a traditional length unit—to construct circular sundials. The article blends folklore, geometry, and practical experimentation to explore how such a simple method could lead to effective sundial designs.
Historical Dials, Mathematics of Dialling
June 1994
Page 20
Page 20
Describes the reconstruction of a historically inspired sundial, elaborating on how its design was refined for accuracy and visual appeal. The piece combines historical research with practical insights, showing how ancient ideas can be adapted into educational tools and display dials for modern audiences.
Restoration projects
June 1994
Page 21
Page 21
A succinct review of a recently published book on practical astronomy, aimed at amateur enthusiasts, followed by a poetic reflection titled 'The Course of Time,' which muses on the human perception of time and its representation in sundials.
Book Reviews
June 1994
Page 22
Page 22
A scholarly exploration of the design and function of a unique astrolabe developed by the 16th-century English mathematician John Blagrave. The article explains its astronomical foundations, innovative features, and historical context, linking it to broader developments in Renaissance scientific instrumentation.
Dials: Astrolabe, Historical Dials, How Sundials Work
June 1994
Page 30
Page 30
An account of a rare Chinese sundial that divides the day into 100 equal parts, reflecting non-Western conceptions of time. The author explains its structure, cultural context, and implications for timekeeping history, offering a comparative view with European traditions.
Dials: Unusual, Historical Dials
June 1994
Page 32
Page 32
Part one of a detailed study of the meridian line in San Petronio, a 17th-century astronomical installation in Bologna. The article outlines its construction, alignment, and function in tracking solar time and determining dates such as solstices, serving both scientific and liturgical purposes.
Dials: Noon Lines, Equation of Time, Historical Dials
June 1994
Page 37
Page 37
This article presents the design and construction of a large equatorial sundial made with translucent materials. The dial is universal, meaning it can be used at any latitude, and is designed to be both decorative and scientifically accurate. Its practical applications and display potential are discussed.
DIY Sundial Projects, Dials: Equatorial
June 1994
Page 39
Page 39
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
June 1994
Page 41
Page 41
A short update with sales listings, notices, and a mention of sundial-related content appearing via Ceefax, a teletext service once used for distributing digital information in the UK.
June 1994
Page 42
Page 42
A historical overview of portable timekeeping devices in Roman times, such as ring dials and folding dials. The article discusses their construction, inscriptions, and cultural significance, providing archaeological context and interpretations of surviving examples.
Dials: Portable, Historical Dials
June 1994
Page 45
Page 45
An announcement and outline of a national sundial competition organized by the BSS, encouraging public participation in sundial design. The notice includes judging criteria, categories, and contact information.
The BSS and Members
June 1994
Page 46
Page 46
Describes a sundial-inspired brick and stone footpath laid out on the grounds of Winslow Hall. The design aligns with the sun’s path across the year and uses architectural shadows from the building to mark seasonal transitions, functioning as a large-scale calendar.
Sundial Design & Layout
June 1994
Page 47
Page 47
A collection of letters from readers discussing past articles, sharing observations, and raising questions. Topics range from technical sundial queries to personal anecdotes and corrections.
The BSS and Members
June 1994
Page 50
Page 50
Details a sundial-themed trail at the Horniman Museum, involving the installation of educational and interactive dials. The article highlights the project's community engagement, educational goals, and collaborative nature between designers and local stakeholders.
June 1994
Page 52
Page 52
An editorial roundup of BSS activities, announcements, and reminders. Topics include event planning, publication updates, membership issues, and administrative matters relevant to society members.
The BSS and Members