We have come on a long journey since the Egyptian device dating to c.1500 BC, which would measure the passage of time from the shadow cast by its crossbar on a nonlinear rule. The most precise… Price: $129.00 (Price correct on 2021-10-17)
We have come on a long journey since the Egyptian device dating to c.1500 BC, which would measure the passage of time from the shadow cast by its crossbar on a nonlinear rule. The most precise… Price: $129.00 (Price correct on 2021-10-17)