What's the difference between bascinet and sallet?

Bascinet

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Definition:

• (n.) A light helmet, at first open, but later made with a visor.

Example Sentences:

Sallet

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Definition:

• (n.) A light kind of helmet, with or without a visor, introduced during the 15th century.
• (n.) Alt. of Salleting

Example Sentences:

• (1) The basal strip is bidirectional and the hair cells are covered by sallets.