Seguin Independent School District Seguin I.S.D. Elección de Bonos 2008.
Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO...
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![Page 1: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/1.jpg)
Sisters of Charity of
Ottawa Sundials
Roger Bailey & Sister Louise Seguin SCO
NASS 2008
St Louis, MO
Jean-François Allard
![Page 2: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/2.jpg)
Ottawa Parliament
http://www.campbell-tx.net/campbellphotos/photo-gallery-6.html
![Page 3: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/3.jpg)
Ottawa Rivers
Ottawa
OttawaRiver
Rideau River
Gatineau River
Hull, Quebec
![Page 4: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/4.jpg)
Ottawa River
Parliament
![Page 5: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/5.jpg)
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![Page 7: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/7.jpg)
Sisters of Charity of Ottawa
![Page 8: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/8.jpg)
Bytown (Ottawa) Chronicles
• 1800 Lumberjacks’ bush camp on Ottawa River
• 1826 Col John By & Rideau Canal (St Lawrence River Bypass)
• 1828 Bytown founded: Construction, lumber and military camp
• Government Sundial erected on this site
![Page 9: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/9.jpg)
Bytown (Ottawa) Chronicles
• 1845 Élisabeth Bruyère, SGM (Soeurs Grises de Montréal) arrived with 3 novices
• Built convent, school and hospital within a year
• 1847 Potato famine: Irish immigration and Typhus
• 1850 Motherhouse and sundials built
• 1857 Bytown became Ottawa and Capital of Canada
• 1867 Canadian Confederation
![Page 10: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/10.jpg)
Jean-François Allard, OMI
• 1850 Fr. Allard from Briançon, France as spiritual advisor and teacher
• Taught religion, science, geography& mathematics, (geometry & gnomonics)
• Designed and built the sundials 1850-1851
• Bishop in 1851, Palestine and NatalSource: 'Deschatelets Archives Ottawa‘,
the Oblate Fathers, Ottawa.
![Page 11: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/11.jpg)
Fr. Allard’s Sundials
• Constructed 1850-1851
• Traditional French corner dials, simple and elegant
• Sundials are original, accurate and unique
• Oldest remaining corner dials in Canada
• Only historic corner dials outside Quebec
![Page 12: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/12.jpg)
Séminaire St-Joseph Trois Rivieres, Quebec
• Only other historical corner dial surviving
• Built in 1883, by l'abbé Raymond Caisse, préfêt des études
• Restored in 1930• Source: CCSQ Catalogue
http://cadrans_solaires.scg.ulaval.ca/cadransolaire/cdstr2.html
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Technical AnalysisFr. Allard’s SCO Sundials
• Are the dials correct for the location & wall declination?
• Are the hour lines and gnomon correct?
• Do they tell the right time?
• Check the dial with modern techniques: Data, pictures, computers
• Overlay lines on pictures
![Page 14: Sisters of Charity of Ottawa Sundials Roger Bailey & Sister Louise Seguin SCO NASS 2008 St Louis, MO Jean-François Allard.](https://reader035.fdocuments.in/reader035/viewer/2022081515/55151089550346c77d8b4aa7/html5/thumbnails/14.jpg)
58º
32º
N
Latitude 45º 25’ 51”Longitude 75º 41’ 53’
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Wall DeclinationS31.9ºW S58.1ºE
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S 59º W
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Morning Dial: S 31º E
• Narrow dial on east side street
• Constrained by corner & window
• Ovoid vs circle• Hour lines are correct• Gnomon set in
meridian plan (latitude is true)
• Best fit S 31º E not S 31.9º E
• Excellent pictures by Stephen Blakeney Jan 2008
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Time Checks: Date/Time Stamps
• Pictures taken 3 Jan 08 at 2:44 to 2:46 pm EST
• Equation of Time –4’25”• Longitude 75.6978º -2’47”• Corrected clock 2:38 solar• West PM dial ~2:38 solar• East AM dial ~2:38 solar• Dial is correct as closely as it can be read
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Gnomon Angles
• Gnomons seem not quite parallel. Perspective?
• Easily bent from meridian plane
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Fr. Allard’s SCO Sundials• The dial lines and gnomons
are correct for the location & wall declination
• They tell true solar time• Modern techniques are no
better for designing a dial• Fr Allard had an excellent
artistic sense.– The subdued colours and lack
of ornamentation is right for the convent
– The narrow dial on the side street is appropriate to balance the perspective
An excellent pair of sundials!