Parcel Weighing Balance (Griffin Airmail Roost and Posthouse)
Twin-pan postal balance with visible centre pivot, rigid beam and paired suspension wires carrying hollow pans.
- 格式
- GLB
- 文件大小
- 176 KB
- 三角面
- 11,340
- 许可
- CC0 1.0
Twin-pan postal balance with visible centre pivot, rigid beam and paired suspension wires carrying hollow pans.