Dunhill: Difference between revisions

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[[File:Airstream.jpg|thumb|right|148px|Reaming Tool.]]
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|<center>'''Reaming & Airstream'''</center>  
|<center>'''Reaming & Airstream'''</center>  
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[[File:Airstream.jpg|thumb|right|148px|Reaming Tool.]]
[[File:1820391231429099.jpeg|frameless|border|left|45px|]]
[[File:1820391231429099.jpeg|frameless|border|left|45px|]]
A pipe with a reaming device for removing excess carbon (Patent Nº 17077/38). That operated through the bottom of the bowl (one of which pipes belonged to King George VI) was known as the "M.C". When the pipe was smoked, the circular saw-toothed 'reamer' disc rested on the inside bottom of the bowl and the thin handle (still attached to the disc) folded back and rested underneath the shank<ref name=jcl10>Loring, J. C. (1998) The Dunhill Briar Pipe - The Patent Years and After (pp. 48-49). Chicago: self-published.</ref>.<br>[[File:Malcolm Campbell rc10431.jpg|thumb|right|148px|Sir Malcolm Campbell.]]
A pipe with a reaming device for removing excess carbon (Patent Nº 17077/38). That operated through the bottom of the bowl (one of which pipes belonged to King George VI) was known as the "M.C". When the pipe was smoked, the circular saw-toothed 'reamer' disc rested on the inside bottom of the bowl and the thin handle (still attached to the disc) folded back and rested underneath the shank<ref name=jcl10>Loring, J. C. (1998) The Dunhill Briar Pipe - The Patent Years and After (pp. 48-49). Chicago: self-published.</ref>.<br>[[File:Malcolm Campbell rc10431.jpg|thumb|right|148px|Sir Malcolm Campbell.]]
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[[File:Dunhill-airstream-smoking-pipe.jpg|frameless|border|left|45px]]  
[[File:Dunhill-airstream-smoking-pipe.jpg|frameless|border|left|45px]]  
The "carburetor" pipe which had a small mushroom-shaped metal device fixed at the bottom of the inside of the bowl to act as a heat sink (later named "Airstream").
The "carburetor" pipe which had a small mushroom-shaped metal device fixed at the bottom of the inside of the bowl to act as a heat sink (later named "Airstream").
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  '''Note:''' The reaming device is adjusted (threading) by a tool specially developed for this function (as illustrated in the image on the right). The Airstream cannot be adjusted. The first Airstream devices appeared (according to Loring) in the 30s<ref name=jcl10>Loring, J. C. (1998) The Dunhill Briar Pipe - The Patent Years and After (pp. 48-49). Chicago: self-published.</ref> and possibly applied up to the end of the 70s. The Reaming Device was, apparently, only used in the 30s.<div class="separator" style="clear: both; text-align: center;"></div>
  '''Note:''' The reaming device is adjusted (threading) by a tool specially developed for this function (as illustrated in the image on the right). The Airstream cannot be adjusted. The first Airstream devices appeared (according to Loring) in the 30s<ref name=jcl10>Loring, J. C. (1998) The Dunhill Briar Pipe - The Patent Years and After (pp. 48-49). Chicago: self-published.</ref> and possibly applied up to the end of the 70s. The Reaming Device was, apparently, only used in the 30s.
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= Dunhill Patents - Archives =
= Dunhill Patents - Archives =