slate, magnetick properties of, [43].

smeargel (emery), [22].

Solinus, Caius Julius, [1], [9], [111].

Solomon the King, [4].

Sotacus, [9].

Stadius, [213].

stars are at various distances, [215].

steel, [23], [39], [69], [71], [93], [95], [147].

Stevinus, Simon, *[v] bis, [167], [168].

stomoma (στόμωμα) [23], [33], [36].