The Junior Vacumatic measures approximately 14 mm wide and 124 mm long when closed. It was introduced as a more affordable alternative to the Top Line series.
Bottom Line models have:
Early nib: 1-tone "PARKER VACUMATIC MADE IN USA" (no arrow). Later replaced by 1-tone "USA PARKER".
In 1935 the Crystal was replaced with a Black Windowed version. Green Marble was introduced.
In 1935 the 1-tone "PARKER USA" nib was introduced.
In 1939 the Junior adopted the redesigned Speedline filler. Transitional models exist with pre-1939 caps and 1939 bodies. See the comparison page.