6th December 2011
Updated DeepSea Diving Helmet Collection - England - Siebe Gorman 6 bolt section
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4th December 2011

Updated the Preservation of Historical Equipment - Restoration with a Alfred Hale article
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Updated the Heinke 12 bolt Pearler style on the Virtual helmet collection - Deep Sea - England - Heinke page
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Added new photos to the Mk V on the Virtual helmet collection - Deep Sea - America - Morse page
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26th November 2011
Updated the Mk V on the Virtual helmet collection - Deep Sea - America - Morse page
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25th November 2011

Added a new photo to the Lindbergh-Hammer Helium recirculator helmet section in the Going Deep page
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24th November 2011

Updated the Preservation of Historical Equipment - Restoration with a Galeazzi article
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Added HELMETS OF THE DEEP By LEON G LYONS to the Diving Heritage books section
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Added a 2012 Diving Calendar to the Diving Heritage collectibles section
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23rd November 2011

Updated the Preservation of Historical Equipment - Restoration with a Italian SALVAS article
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22nd November 2011

Added new page about Palumbarus to the Shallow water helmets
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16th
November 2011
Updated the Phony Diving Helmets (part 1) page with 'CONTINENTAL' REPLICA OF THE SIEBE-HEINKE, 3-BOLT (4-light) - 'LIGHTWEIGHT HARBOUR HELMET'
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7th
November 2011
Added NAUI in Australia to the Diving Demonstrations page
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Updated the Charles Petit page in the French Diving Helmet section
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Updated the Greece page in the Diving Helmet section
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Updated the Japan page in the Diving Helmet section
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31st
October 2011
Added Carlsson AB Style Helmet to Sweden Deep Sea Diving Helmets section
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12th October 2011
Added a new page called Sadler of London to the England Deep Sea Diving Helmets section
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26th
August 2011
Updated the Nuclear
Diving pages in the
Modern Diving Section

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3rd
August 2011
Updated Alfred Hale Rubber Co. in the DeepSea Diving Helmet Collection - America
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Updated the Advanced
Diving Equipment
Company section

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16th
March 2011
Added Hugo Meyer to the German DeepSea Diving Helmet Collection
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Added Carl Schumann to the German DeepSea Diving Helmet Collection
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Added a new knive to
the England knive page
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Added a new knive to
the Japan knive page
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16th
January 2011
Added more information about John Date in the DeepSea Diving Helmet Collection - Canada page
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Added Gisela Hamacher
to the Hall of Fame

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Added two new photos
to the Japanese diving helmets - Toa page

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15th
January 2011
Added new helmet nametag photo to the Siebe Gorman 12 bolt page
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14th
January 2011
Added two new photos to the DeepSea Diving Helmet Collection - Chili