click on the logo or on the address to access the site
is the International collector Register of antique diving pieces, both of recreational and professional diving; its registration is free-of-charge > 
Dutch website dedicated to rebreathers, to their history and technology

Historical Diving Society Italia official website > 
by proteo962 – Italian website about diving history and exchange of recreational and professional diving gear > 
Italian website related to the historic diving gear museum in Turin of Virginio Masera >
American website of historic diving gear and their recovery

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sito Usa dedicato alle attrezzature scuba storiche e al loro restauro >
American website of historic diving, with an extensive section of diving spearguns of all ages >
French website of Cyril Malzac of historic diving spearguns and spike launchers coming from all over the world  >
French website selling Maco2 spearguns with a remarkable image gallery

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Adair Ribeiro website includes the largest collection of 2-hose regulators probably in the world, grouped by brand in alphabetic order, with pictures and technical data


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Belgium site of 2-hose regulators, with headquarter at Tanines’ "Les Scaphandriers" club

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Belgium site of 2-hose regulators, with headquarter at Tanines’ "Les Scaphandriers" club   
this website list, in alphabetic order, all international manufactures of single and double hose regulators, by model and, in most of the cases, with their technical sheet
this website concerns specifically regulators and instruments of old up to modern times, photographed by different angles, each one including its economic evaluation ch
this website is dedicated to all has been invented by J.I. Cousteau and produced by La Spirotechnique­. Images represent an infinity of models in details.
a museum made in USA, where people find regulators, instruments, BCDs, lamps and other historic gera. Hundreds of pieces politely divided by categories and illustrated in detail. 
In his website, the famous photographer Alberto Romeo put different series of diving and nature images of great impact, taken during the years all over the world

International Legends of Diving
un sito dell'Ohio nel quale si trovano le biografie di personaggi storici della subacquea moderna di Stati Uniti, Messico, Caraibi, Indonesia, poi un museo virtuale dedicato agli erogatori, un negozio di accessori, notizie e articoli