50470-Rare French 19th Century pitch pipe with brass case

50470-Rare French 19th Century pitch pipe with brass case This is a rare French antique pitch pipe, dating from the late 19th to early 20th century. Elegantly and compactly designed, it can be stored within its protective brass casing. The inner metal whistle tube is engraved with the word “La”, indicating it produces the fixed note “La” (approximately A440Hz). Likely used for vocal pitch reference or instrument tuning, it is well preserved and still produces sound. Both functional and historically valuable, it is an ideal piece for collectors of musical antiques and vintage curiosities. 數量內容content ：一個調音哨附保護套pitch pipe with case 尺寸size：長L4 x 直徑diameter 1.2 cm 重量weight ：9g 材質material : 黃銅護套 金屬調音哨Brass sheath, metal tuning whistle 年份Year：19世紀末至20世紀初 late 19th to early 20th century 印標hallmark : La Reference code : W50629-2313 ⚠️ 請留意：古董或老件無論顏色與表面皆有歷史使用痕跡，若有任何問題，歡迎請來訊詢問。 ⚠️親愛的來自國外的朋友們，全球運輸提供安全包裝。 歡迎隨時與我們詢問運費相關事宜。 ⚠️ Please note: Antique or vintage objects have historical wear&tear of use regardless of color and surface. If you have any questions, please feel free to contact us. ⚠️ Dear friends from abroad, Global shipping available with secure packaging. Please feel free to contact me for inquiring the shipping cost.