![DIY Postal scale…](https://i0.wp.com/makezine.com/wp-content/uploads/2006/02/postalbalance051.jpg?fit=500%2C379&ssl=1)
I really like this low tech scale, you use the known weight of coins to make a balance to figure out the weight of your mail. [via] Link part of the Toys from Trash site.
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I really like this low tech scale, you use the known weight of coins to make a balance to figure out the weight of your mail. [via] Link part of the Toys from Trash site.
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