Nemrod Corsario pneumatic scuba speargun cutaway (Beeman Collection)
Pics copyright Rock Island Auctions.
Wikipedia says:
In 1945, Pedro and Juan Vilarrubìs Frerrando brothers found Nemrod Industrias Vilarrubìs, initially dedicated to the manufacturing of diving spearguns. The first spearguns are made with spring, with or without surcompressor followed, two years later, by the rubber Tarzan and Catapulta models. In 1953, the Comodoro pneumatic model is launched, followed by a very long series of models such as Crucero, Fragata, Galeon and, finally, the Clipperseries, which will succeed until 1998, distinguishable because of their tank, which went from red to black. In parallel, the rubber speargun production expands, always more requested because of their silence action and precision.
In the meantime, Nemrod distinguishes itself as the main brand developing in Spain in this period among which Casals, Beltran, Parra, Copino; the latter, soon famous for its sophisticated spearguns.
Their first patent was in 1951:







