Bow Drills
posted in: English Articles, 鋼琴歷史/ History on Piano
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The Erlandsens made the drill stock that became the standard of the piano industry. This ancient tool, which was depicted … Read More
Mr. Tong, Registered Piano Technician (MPTA) 英國註冊鋼琴技師
The Erlandsens made the drill stock that became the standard of the piano industry. This ancient tool, which was depicted … Read More