Correction for the weight of a Paper Clip
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How heavy is 454.960 pennyweights?
It's about 500 times as heavy as a Paper Clip
The weight of a Paper Clip is about 0.90 pennyweights.
(average)
Notwithstanding the tremendous variation in sizes and materials, a typical paperclip weighs about 0.90 pennyweights. The country of Norway has used the paper clip as something of a national symbol since the end of World War II based on the erroneous notion that the paperclip was invented by a Norwegian, Johan Vaaler. However, the paperclip had already been in existence for at least 30 years by the time of Vaaler patented his paperclip design.