A Philips' Planisphere star finding chart, the black leatherette frame embossed in gold with hour scale and foliate decoration, rotating chart printed with calendar and zodiac scales, the black star chart with named stars and constellations, the reverse with instructions and star magnitude table - 12½in(31cm)diam; and a Philips' Revolving Orrery of similar construction, with pointers and scales for movement of sun and planets - 12¼in.(31cm)diam (2)