A popular Roman writer advocated abstinence. "Womb veils," a 19th-century phrase for diaphragms cervical caps, and condoms, often made from linen or fish intestines, have been in use for centuries.

It was the mass production and availability of rubber condoms and diaphragms in the 1920s and 1930s, made possible by the 1839 invention of vulcanized rubber, which eventually forced the Church to ...

Speaker with integrated TPCD. Martin Turesson, head of Thin-Ply Carbon Diaphragms (TPCD) at Composite Sound, adds that the TeXtreme material gives Composite Sound the ability to “focus on engineering ...