3" X 3 7/8 (74mm X 95mm)

(front skirt)

                 2D

Picture courtesy Don Mecklenborg

3" X 3 7/8 (74mm X 95mm)

(front skirt) PYREX        

          1953

(rear skirt) MOD 2 1920 TS

Picture courtesy Don Mecklenborg

3" X 3 7/8 (74mm X 95mm)

(front skirt) MIVA            

(rear skirt) MOD 2 920   

Picture courtesy Bob Berry

3" X 3 7/8 (74mm X 95mm)

(front skirt) MIVA

(rear skirt) 920-1   

Picture courtesy Don Mecklenborg

3" X 3 7/8 (74mm X 95mm)

(front skirt) PYREX

               1948

(rear skirt) TS-2C   

Picture courtesy Don Mecklenborg

3" X 3 7/8 (74mm X 95mm)

(front skirt)

                 DIWS

(rear skirt) 1957   

               MOD.2 1920 TS

Picture courtesy Don Mecklenborg

3" X 3 7/8 (74mm X 95mm)

(front skirt)

                 2D

Picture courtesy Don Mecklenborg

3" X 3 7/8 (74mm X 95mm)

(front skirt) PYREX

               1953

(rear skirt) TS-2C  

Picture courtesy Dave Dangora