Modifiche

In [[1929]] the profits that were enormous suffered a steep fall, many producers failed and others had to sell off their pens at low prices. [[Parker]], that taken years to establish its brand, decided not to devalue his pens, and kept prices high for the [[Duofold]], but in order to compete in [[1932]] introduced a range of economic models, school-type, for which they did no advertising. These models did not have a name and are usually indicated by collectors as [[Thrift Time]], or ''[[Parker depression pen|depression pen]]''.

In [[1929]] the profits that were enormous suffered a steep fall, many producers failed and others had to sell off their pens at low prices. [[Parker]], that taken years to establish its brand, decided not to devalue his pens, and kept prices high for the [[Duofold]], but in order to compete in [[1932]] introduced a range of economic models, school-type, for which they did no advertising. These models did not have a name and are usually indicated by collectors as [[Thrift Time]], or ''[[Parker depression pen|depression pen]]''.

[[Image:1941-09-Parker-Vacumatic-Major.jpg|thumb|Pubblicità della [[Vacumatic]] del 1941.]]

[[Image:1941-09-Parker-Vacumatic-Major.jpg|thumb|A [[Vacumatic]] advertisement of 1941.]]

[[File:Parker-Vacumatic-3rdGen-Major-RingedBrown-Clip.jpg|left|thumb|100px|La tipica clip a freccia della [[Vacumatic]] ]]

[[File:Parker-Vacumatic-3rdGen-Major-RingedBrown-Clip.jpg|left|thumb|100px|The [[Vacumatic]] arrow clip]]

The company, the had wisely piled stock in the good period, continued to invest in research, testing new materials and new filling systems, up to the realization, in 1933, of the wonderful [[Vacumatic]], with the arrow clip drawn from ''Joseph Platt'' (patent {{Cite patent|US|D088821}}, who has since then become the company symbol) with a transparent tank thanks to the [[Sistemi di caricamento#vacumatic|new filling system with the same name]]. The new pen reported the company at the top of the market.

The company, the had wisely piled stock in the good period, continued to invest in research, testing new materials and new filling systems, up to the realization, in 1933, of the wonderful [[Vacumatic]], with the arrow clip drawn from ''Joseph Platt'' (patent {{Cite patent|US|D088821}}, who has since then become the company symbol) with a transparent tank thanks to the [[Sistemi di caricamento#vacumatic|new filling system with the same name]]. The new pen reported the company at the top of the market.