Finally, it's my comparison of the Fisher AG7 ( [ Ссылка ] ) vs the CH4 ( [ Ссылка ] ).
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That's the original AG7 Apollo 7 pen from 1968 (tested since 1966) vs the more affordable CH4. The CH4's history is not clear, but it uses most of the design elements from the AG7.
The most important difference between the two are that the CH4 is thinner and less tapered than the AG7's iconic design. The CH4 is about the same weight (a gram heavier in fact) and a bit longer. The CH4 has better balance then the AG7, if that's an issue for you.
Both use the Fisher Space PR4 ballpoint refill ( [ Ссылка ] ).
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