外箱標示「林學部」為日本時期使用，財產牌「農專CL 834 No 4」，本件應為日人移交，前一手為林學部或某農專

The exterior box is marked with “林學部” (Forestry Department), indicating its use during the Japanese period. The property tag reads “農專 CL 834 No 4,” suggesting that this instrument was likely transferred from the Japanese authorities, with its previous ownership belonging to the Forestry Department or a specific agricultural college.