Spring Scales
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Spring scales are used to weigh articles in which a high degree of exactness is not required. Spring scales measure weight only, not mass.
Galleries
Measurement ToolsSource
The Teachers’ and Pupils’ Cyclopaedia (Kansas City: The Bufton Book Company, 1909) 1:137
Downloads
758×2400, 1.8 MiB
323×1024, 44.9 KiB
202×640, 21.1 KiB
101×320, 7.5 KiB