A Philips Type 2531 3-valve mains receiver in brown moulded 'Philite' case - 13½in.(34.4cm.) wide, circa 1930; and a Philips heptagonal speaker (2)

細節
A Philips Type 2531 3-valve mains receiver in brown moulded 'Philite' case - 13½in.(34.4cm.) wide, circa 1930; and a Philips heptagonal speaker (2)