REFERENCE list of siphon publications, websites and Facebook groups
https://www.brooklynseltzerboys.com
https://www.facebook.com/fredericnortiersiphonseltz?mibextid=ZbWKwL
https://www.360cities.net/image/water-tower-soda-water-museum-szeged
https://hastingshistoricalsociety.org/2021/09/03/from-marble-dust-to-soda-water/
https://www.hagley.org/librarynews/quenching-thirst-knowledge-about-soda-water
https://www.lalalista.com/2021/02/18/el-sodero-de-mi-vida-soda-water-in-argentina/
https://sodasyphon.co.nz/?page_id=33,
https://en.m.wikipedia.org/wiki/Carbonated_water
Appareil de Lhote pour l’eau de Seltz | CERAMICA CH (ceramica-ch.ch)
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