|Note_en=Published also on: N. 37 (1919-09-14); year XLVII: N. 07 (1920-02-15), N. 37 (1920-09-12), N. 43 (1920-10-24), N. 47 (1920-11-21). Advertising for a [[Waterman 1x]]. | |Note_en=Published also on: N. 37 (1919-09-14); year XLVII: N. 07 (1920-02-15), N. 37 (1920-09-12), N. 43 (1920-10-24), N. 47 (1920-11-21). Advertising for a [[Waterman 1x]]. |