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  5. March 2003

March 2003

The articles link to the specific page in a PDF optimised for speed. If you want a better (but much bigger) verison of the whole issue, you can download it here.

Page 2
Introduction to the issue’s themes, including dials and meridian lines in Europe, and the upcoming publication of a historical index of sundial makers.

Page 3
Analysis of John Constable’s paintings using principles of sundial geometry to determine whether the rainbows depicted are optically accurate and temporally consistent.
How Sundials Work

Page 6
A historical study of mathematical instrument makers affiliated with the Grocers' Company, focusing on 18th-century horizontal and geographical dials and their design traditions.
Dials: Horizontal, Historical Dials, Sundial Design & Layout

Page 14
Review of 'Time Lord: Sir Sandford Fleming and the Creation of Standard Time', examining the historical development of global standard time.
Book Reviews, Equation of Time

Page 15
A selection of letters from members discussing the Crowan dial, mass dials, lines of coincidence, and leaded-in gnomons.
Historical Dials, The BSS and Members

Page 17
Follow-up on sundials along the Centrovalli railway line in Northern Italy, including new photographs and credit to designer Giacomo Bonzani.
Dials: Unusual, Dials: Vertical

Page 20
Correction and image for a previously published article on the Akeler Sundial at Marlow, showing its garden setting.
Dials: Equatorial, Sundial Design & Layout

Page 20
Continuation of the society’s early history, covering administrative developments from June 1990 to April 1991, including Andrew Somerville’s death and transition to new leadership.
The BSS and Members

Page 24
Annual round-up of notable sundials discovered or reported in 2002, highlighting interesting examples and unusual features.
Dials: Horizontal, Dials: Unusual

Page 28
Announcements, corrections, and editorial notes including photos, upcoming meetings, and publishing logistics.
The BSS and Members

Page 29
Description of two additional China sundials, extending previous findings with observations on layout and form.
Dials: Horizontal, Dials: Vertical, Historical Dials

Page 30
Study of a historical meridian line in Palermo Cathedral, its astronomical accuracy, and interpretive significance.
Historical Dials

Page 32
Entertaining overview of the historical and cultural circumstances surrounding the invention of daylight saving time.

Page 33
Method for determining the declination of a sundial using shadow observations and calculations, useful for dating or assessing alignment.
How Sundials Work, Mathematics of Dialling

Page 35
Survey of modern educational sundials installed at observatories in Slovakia and Germany, designed with scientific and pedagogical aims.
Dials: Vertical

Page 37
Excerpt of a historical text by William Leybourn describing an unusual method of laying out a dial from empirical marking of timed shadows.
Mathematics of Dialling

Page 40
Descriptive study of multiple dials found at St Mary's Church, including layout, inscriptions, and historical context.
Dials: Multi Faced, Historical Dials

Page 43
Obituary for the Society’s Patron, acknowledging his contributions to the BSS and interest in sundials.
The BSS and Members