астролябия
astrolabium [ii, n];
смена
alternatio [onis, f];
стабилизирующийфактор
factor [oris, m]
commentari olum [i, n] (annotationum), libellus [i, m] memorialis, libellus [i, m] pugillaris; adversaria [orum, npl]pl; liber [bri, m] commentarius;