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http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd"><url><loc>https://johnwarthur.com/articles-by-john-w-arthur-2/</loc><lastmod>2025-02-12T14:32:18+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/15-james-clerk-maxwells-scottish-homes/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/siverknowe-on-map-1.jpg</image:loc><image:title>siverknowe-on-map-1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/siverknowe-on-map.jpg</image:loc><image:title>siverknowe-on-map</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/geo.-wedderburn-and-the-mackenzies-in-the-dean-2.jpg</image:loc><image:title>geo.-wedderburn-and-the-mackenzies-in-the-dean-2</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/geo.-wedderburn-and-the-mackenzies-in-the-dean-1.jpg</image:loc><image:title>geo.-wedderburn-and-the-mackenzies-in-the-dean-1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/geo.-wedderburn-and-the-mackenzies-in-the-dean.jpg</image:loc><image:title>geo.-wedderburn-and-the-mackenzies-in-the-dean</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/sasine-14-is-1879-2.jpg</image:loc><image:title>sasine-14-is-1879-2</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/sasine-14-is-1820-1.jpg</image:loc><image:title>sasine-14-is-1820-1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/sasine-2-14-is-1887.jpg</image:loc><image:title>sasine-2-14-is-1887</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/sasine-14is-1887.jpg</image:loc><image:title>sasine-14is-1887</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/sasine-14-is-1879-1.jpg</image:loc><image:title>sasine-14-is-1879-1</image:title></image:image><lastmod>2025-01-15T20:23:25+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/bibliography/</loc><lastmod>2025-01-14T10:29:36+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/contents/</loc><lastmod>2025-01-14T10:05:50+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/front-pages/</loc><lastmod>2024-06-11T09:37:40+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/comments-and-suggestions/</loc><lastmod>2024-05-21T16:07:50+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/glossary/</loc><lastmod>2024-05-20T15:03:03+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/genealogical-tables/</loc><lastmod>2024-05-20T15:02:53+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/abbreviations/</loc><lastmod>2024-05-20T15:02:22+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/9-the-successors-of-george-and-dorothea/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/colour-plate-11-isabella-wedderburn-yale.jpg</image:loc><image:title>colour-plate-11-isabella-wedderburn-yale</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/portrait_of_sir_john_and_lady_clerk_of_penicuik_.png</image:loc><image:title>portrait_of_sir_john_and_lady_clerk_of_penicuik_</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/screenshot-2024-03-20-140159.png</image:loc><image:title>screenshot-2024-03-20-140159</image:title></image:image><lastmod>2024-05-20T15:02:04+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/8-the-first-clerk-maxwells/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-15-princes-st-in-hugo-arnot-1779-fp-180-cropped.jpeg</image:loc><image:title>plate-15-princes-st-in-hugo-arnot-1779-fp-180-cropped</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-14-low-res-eldin-wanlockhead-1775.jpg</image:loc><image:title>plate-14-low-res-eldin-wanlockhead-1775</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/figure-8.2.jpg</image:loc><image:title>Figure 8.2</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/figure-8.1-240310.jpg</image:loc><image:title>Figure 8.1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-13-v2-middlebietown-plan-147-160215.jpg</image:loc><image:title>plate-13-v2-middlebietown-plan-147-160215</image:title></image:image><lastmod>2024-05-20T15:01:55+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/16-lewis-campbell-and-peter-guthrie-tait/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/tait-memorial.jpg</image:loc><image:title>tait-memorial</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/somerset-cottage-c-2015.png</image:loc><image:title>somerset-cottage-c-2015</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/somerset-cottage-1850-plan.jpg</image:loc><image:title>somerset-cottage-1850-plan</image:title></image:image><lastmod>2024-05-20T15:01:01+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/7-agnes-maxwell-and-james-le-blanc/</loc><lastmod>2024-05-20T15:00:49+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/6-the-maxwells/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-12-dorothea-dorothy-unknown-artist.jpg</image:loc><image:title>plate-12-dorothea-dorothy-unknown-artist</image:title></image:image><lastmod>2024-05-20T15:00:40+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/5-william-clerk-and-agnes-maxwell/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-11-agnes-maxwell-of-middlebie-william-aikman.jpg</image:loc><image:title>plate-11-agnes-maxwell-of-middlebie-william-aikman</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-10-william-clerk-john-aikman.jpg</image:loc><image:title>plate-10-william-clerk-john-aikman</image:title></image:image><lastmod>2024-05-20T15:00:29+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/4-the-baron/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/screenshot-2024-03-20-140159-fom-edinburgh-old-and-new-grant-240320.jpg</image:loc><image:title>screenshot-2024-03-20-140159-fom-edinburgh-old-and-new-grant-240320</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-9-not-as-supplied-the-baron-william-aikman-cropped--1.jpg</image:loc><image:title>plate-9-not-as-supplied-the-baron-william-aikman-cropped--1</image:title><image:caption>MAY NICHOLSON
PRESHAL TRUST
Picture © GARY DOAK
30/05/08

tel.+44 7836 255728
gary@garydoak.com</image:caption></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-9-not-as-supplied-the-baron-william-aikman-cropped-.jpg</image:loc><image:title>plate-9-not-as-supplied-the-baron-william-aikman-cropped-</image:title><image:caption>MAY NICHOLSON
PRESHAL TRUST
Picture © GARY DOAK
30/05/08

tel.+44 7836 255728
gary@garydoak.com</image:caption></image:image><lastmod>2024-05-20T15:00:07+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/3-the-early-clerks-of-penicuik/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/penicuik-house-18th-c-2024-03-24-103709.png</image:loc><image:title>penicuik-house-18th-c-2024-03-24-103709</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/wrights-houses-vol-5-p-36-ceoandn.jpg</image:loc><image:title>wrights-houses-vol-5-p-36-ceoandn</image:title></image:image><lastmod>2024-05-20T14:59:58+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/2-james-clerk-maxwells-life-and-contribution-to-science/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-8-jcmwalk-022e-redone-bw-160117.jpg</image:loc><image:title>plate-8-jcmwalk-022e-redone-bw-160117</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/colour-plate-9-parton-maxwells-lair-c-jwa-2014-glenlair-011.jpg</image:loc><image:title>colour-plate-9-parton-maxwells-lair-c-jwa-2014-glenlair-011</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-7-lightning-rod-redone-160117.jpg</image:loc><image:title>plate-7-lightning-rod-redone-160117</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/figure-2.5-convergence-and-curl.jpg</image:loc><image:title>figure-2.5-convergence-and-curl</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/colour-plate-8-glenlair-new-wing-c-jwa-2014-002e-copy.jpg</image:loc><image:title>colour-plate-8-glenlair-new-wing-c-jwa-2014-002e-copy</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/colour-plate-7-r-img_3479.jpg</image:loc><image:title>Colour Plate 7 (R) IMG_3479</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/colour-plate-7-l-sspl_10245822_highres.jpg</image:loc><image:title>Colour Plate 7 (L) SSPL_10245822_HighRes</image:title><image:caption>The first colour photograph, 1861.</image:caption></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/colour-plate-6-r-ryb-mis-pigment.jpg</image:loc><image:title>Colour Plate 6 (R) RYB mis Pigment</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/colour-plate-6-l-rgb-mix-copy.jpg</image:loc><image:title>Colour Plate 6 (L) RGB mix copy</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/jcm-and-top-rs3662_tcl003236.jpg</image:loc><image:title>jcm-and-top-rs3662_tcl003236</image:title></image:image><lastmod>2024-05-20T14:59:46+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/17-appendices/</loc><lastmod>2024-05-20T14:59:36+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/14-the-cays-and-the-hodshons/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/william-kay-bookseller.jpg</image:loc><image:title>william-kay-bookseller</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/lauriston-lodge-1.jpg</image:loc><image:title>lauriston-lodge-1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/lauriston-lodge.jpg</image:loc><image:title>lauriston-lodge</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/a-lady-isabella-dyce-aberdeen-ag003210a.jpeg</image:loc><image:title>a-lady-isabella-dyce-aberdeen-ag003210a</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/plate-26-robert-dundas-cay.jpg</image:loc><image:title>plate-26-robert-dundas-cay</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/plate-24-v2-puck-by-dyce-ag003235-160215.jpg</image:loc><image:title>Puck by William Dyce&#13;Aberdeen Art Gallery and Museums Collection</image:title><image:caption>Puck by William Dyce&#13;Aberdeen Art Gallery and Museums Collection</image:caption></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/plate-25-v2.-james-clerk-maxwell-by-dyce-hi-res-160215.jpg</image:loc><image:title>plate-25-v2.-james-clerk-maxwell-by-dyce-hi-res-160215</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/colour-plate-14-glenlaer-wm-dyce-va-2006bh8621_2500-1.jpg</image:loc><image:title>colour-plate-14-glenlaer-wm-dyce-va-2006bh8621_2500-1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/colour-plate-14-glenlaer-wm-dyce-va-2006bh8621_2500.jpg</image:loc><image:title>colour-plate-14-glenlaer-wm-dyce-va-2006bh8621_2500</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/keith-succ-to-cay-and-black-pod1887.jpg</image:loc><image:title>keith-succ-to-cay-and-black-pod1887</image:title></image:image><lastmod>2024-05-20T14:59:18+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/13-dr-thomas-weir-and-andersons-patent-pills/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/42374pr32.jpg</image:loc><image:title>42374pr32</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/9419.jpg</image:loc><image:title>9419</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/cc-milnes-court-interior-240427-1.png</image:loc><image:title>cc-milnes-court-interior-240427-1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/cc-milnes-court-entrance-240427-103015-1.png</image:loc><image:title>cc-milnes-court-entrance-240427-103015-1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/cc-milnes-court-interior-240427.png</image:loc><image:title>cc-milnes-court-interior-240427</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/cc-milnes-court-entrance-240427-103015.png</image:loc><image:title>cc-milnes-court-entrance-240427-103015</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/04/anderson-pill-recipe-240427.png</image:loc><image:title>anderson-pill-recipe-240427</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/figure-13.1-240329.jpg</image:loc><image:title>Figure 13.1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/figure-13.jpg</image:loc><image:title>Figure 13.1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-21-2-andersons-pills-4.jpg</image:loc><image:title>plate-21-2-andersons-pills-4</image:title></image:image><lastmod>2024-05-20T14:59:07+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/12-the-enlightenment-of-edinburgh/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/dr-alston-and-irving-memorial-memorial-240328.jpg</image:loc><image:title>dr-alston-and-irving-memorial-memorial-240328</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/ji-memorial-240328.jpg</image:loc><image:title>ji-memorial-240328</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/figure-11.1-newton-site-v2-240328.jpg</image:loc><image:title>Figure 11.1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/figure-11.1-newton-240328-1.jpg</image:loc><image:title>Figure 11.1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-18-john-irving-memorial-20151011_121303_4a-1.jpg</image:loc><image:title>plate-18-john-irving-memorial-20151011_121303_4a-1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-18-john-irving-memorial-20151011_121303_4a.jpg</image:loc><image:title>ø;</image:title><image:caption>ø;</image:caption></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/figure-12.2-dicksons-close-1-2.jpg</image:loc><image:title>figure-12.2-dicksons-close-1-2</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-12.2-newton-from-uwol-v3-by-screenshot-240328.png</image:loc><image:title>plate-12.2-newton-from-uwol-v3-by-screenshot-240328</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/figure-12.2-dicksons-close-1-1.jpg</image:loc><image:title>figure-12.2-dicksons-close-1-1</image:title></image:image><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/plate-17-v2-p-6788-16-2-160215.jpg</image:loc><image:title>plate-17-v2-p-6788-16-2-160215</image:title></image:image><lastmod>2024-05-20T14:58:58+00:00</lastmod><changefreq>weekly</changefreq><priority>0.6</priority></url><url><loc>https://johnwarthur.com/brilliant-lives/11-from-weir-to-irving/</loc><image:image><image:loc>https://johnwarthur.com/wp-content/uploads/2024/03/figure-11.1-newton-240328.jpg</image:loc><image:title>Figure 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