C.L. Berger & Sons Oxidized Brass Surveyor's Telescope, Boston, Massachusetts, the 10-in. telescope with interior focusing system, half circle marked Beaman Stadia on the arc, vernier, and magnifier, threaded wrapped center column, base with compass and bubble level, marked U.S.G.S. T-782 and C.L. Berger & Sons, Boston U. S. A. 25148, in a fitted mahogany case.
C.L. Berger & Sons Oxidized Brass Surveyor's Telescope, Boston, Massachusetts, the 10-in. telescope with interior focusing system, half circle marked Beaman Stadia on the arc, vernier, and magnifier, threaded wrapped center column, base with compass and bubble level, marked U.S.G.S. T-782 and C.L. Berger & Sons, Boston U. S. A. 25148, in a fitted mahogany case.
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