The practical model calculator, for the engineer, mechanic, machinist, manufacturer of engine-work, naval architect, miner, and millwright
€75
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Astronomy, mathematics, physics and chemistry before the twentieth century remade them.
€75
€180
€190
€300
€30
€740
€255
€40
€155
€180
€65
€60
€315
€480
€90
€35
€130
€515