BARIUM PLATINOCYANIDE SCREENS, per sq. inch, 9d.
CALCIUM SULPHIDE, luminous, per lb., 8/-
KUNZITE, per Gm., 1/-
POLONIUM, ON BISMUTH & COPPER DISCS, each 25/-
PITCHBLENDE, specimens, each, per oz., 2/6.
URANIUM NITRATE, oz., 1/-.
THORIUM HYDROXIDE, oz., 4/-; lb., 48/-.
THORIUM HYDROXIDE PADS, each 10/6.
WILLEMITE, Natural Specimens, 2/- each.
WILLEMITE, Artificial Specimens, 1/- each.