1866
Helmut Petschler & Company, 1860
Helmut Petschler & Company, 1865
Helmut Petschler & Company, 1864
Helmut Petschler & Company, 1866
![The Rustic Bridge at Capel Curig. [North Wales]](https://media.getty.edu/iiif/image/0249a707-0397-4162-8d03-f4a7500c650d/full/843,/0/default.jpg)
