A type of window or door fastening with a long handle that controls multiple bolts at once, allowing a window or door to lock securely.
From French espagnolette, diminutive of espagnole. The mechanism was named after Spanish designs, reflecting how mechanical innovations were attributed to their regions of origin in European languages.
This elegant locking mechanism is still used in high-end European windows today—a 300-year-old Spanish design that's more reliable than many modern locks!
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