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
€45
€60
€180
€80
€50
€65
€60
€40
€155
€55
€45
€55
€65
€165
€45
€35
€740
€130
€55
€130
€130
€75
€35