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<p>[QUOTE=&quot;fomovore, post: 5486762, member: 72663&quot;]As [USER=96187]@Rob Woodside[/USER] mentioned &quot;I can imagine paleolithithic hunter gatherers hefting a couple of nuggets to find the heaviest, but not bronze age metalurgists. They would need to know how much tin to add to the copper to get a good alloy.&quot;</p><p><br /></p><p>A Mesopotamian hymn to Shamash from around 2600 BCE mentions &quot;He who [commits] fra[ud as he holds the ba]lances&quot;, &quot;Who switches weights, who lowers the [ ]&quot; and &quot;The one who is honest in holding the balance, [ ] plenty of [ ]&quot;.</p><p><br /></p><p>Egyptian Instructions of Amenemope, from around 1200 BCE says &quot;not to move the scales nor alter the weights&quot;.</p><p><br /></p><p>I&#039;m sure the balance scale was well known in the bronze age (and possibly before that). No need for &quot;psychophysics&quot;.[/QUOTE]</p><p><br /></p>

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