| Ring Throstle, McCulley's Patent Livespindle | |
| Business Manuscripts Collection | |
Ring Throstle, McCulley's Patent Livespindle, by the Lowell Machine Shop, lithograph by Tappan and Bradford, ca. 1850. | |
| Ring Throstle, McCulley's Patent Livespindle | |
| Business Manuscripts Collection | |
Ring Throstle, McCulley's Patent Livespindle, by the Lowell Machine Shop, lithograph by Tappan and Bradford, ca. 1850. | |