The above and below images are courtesy of Fredrik Franzén the author and  Daniel and Joanna Côté and the Double Gun Journal and appeared in the Spring 2000 issue (Vol. 11, Iss. 1) of the Double Gun Journal. The full article  “German Over-Under Double Rifles” is available in a back issue by calling (800) 447-1658.

 

 

The above image is courtesy of the German Gun Collectors Association and was part of their 2014 Calender

The following images of a Robert Schuler Vierling were found in Dietrich’s archive and were from Mr. Al Rickli. The gun is serial no. 2253 and was proofed in Aug. 1939. It is 16 ga. x 16 ga. x 9.3/74R x 5.6 Vierling with the “T” form barrel arrangement