Dunhill: Difference between revisions

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*5861/12 was the first patent registered. However, there are other patents for these same tubes, with records in different countries. Examples: 1130806/15 - 158709/14 - 116989/17 - 1343253/20 - 197365/20 - 491232/19.
*5861/12 was the first patent registered. However, there are other patents for these same tubes, with records in different countries. Examples: 1130806/15 - 158709/14 - 116989/17 - 1343253/20 - 197365/20 - 491232/19.
<blockquote><q>Aluminium inner tubes for the Dunhill pipes were patented in March 1912, but they were being fitted about eighteen months earlier. They sold at one shilling for a packet of six.</q> One Hundred Years and More. <ref name=balfour23>Balfour, Michael. (1992). Alfred Dunhill, One Hundred Years and More (p.52). London: Weidenfield and Nicolson.</ref></blockquote>
<blockquote><q>Aluminium inner tubes for the Dunhill pipes were patented in March 1912, but they were being fitted about eighteen months earlier. They sold at one shilling for a packet of six.</q> One Hundred Years and More. <ref name=balfour23>Balfour, Michael. (1992). Alfred Dunhill, One Hundred Years and More (p.52). London: Weidenfield and Nicolson.</ref></blockquote><blockquote><q>Alfred Dunhill put it this way in March 1912 when he applied for the "inner tube" patent:<br>
The object of the invention is to provide means of an inexpensive nature which will ensure a pipe always remaining clean and sweet. When a tube has become fouled on its interior surface it can either be thrown away and replaced by a fresh tube or be cleaned by boiling in water.</q>The Dunhill Briar Pipe.<ref name=jcl11>Loring, J. C. (1998) The Dunhill Briar Pipe - The Patent Years and After, The Beginnings (p. 8). Chicago: self-published.</ref></blockquote>
 
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'''Note:'''<q> The aluminium tubes are still being manufactured (for straight pipes only) and can be purchased from authorised White Spot retailers worldwide. The product sku is PA3104 or now DUPA3104.</q> The White Spot Division.<ref name=hener>Hener, K. S. Product Line Director - The White Spot Smoker's Accessory Division and Walthamstow site. (Conversations held between 2019 and 2020).</ref>.
'''Note:'''<q>The aluminium tubes are still being manufactured (for straight pipes only) and can be purchased from authorised White Spot retailers worldwide. The product sku is PA3104 or now DUPA3104.</q> The White Spot Division.<ref name=hener>Hener, K. S. Product Line Director - The White Spot Smoker's Accessory Division and Walthamstow site. (Conversations held between 2019 and 2020).</ref>.
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