Its employment in Therapeutics and for scientific research.
(MacLeod) Surface, each =7s. 6d.= Throat, =£1 1s.=
=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.
=ZINC SULPHIDE=, Active, Gm. =1/6.=
=ZINC SULPHIDE SCREENS=, 10 × 10 centimetres, each =7/6.=
[Illustration]
=Special Quotations for Quantity.=
=CHEMICALS AND APPARATUS= =for Scientific Research.= (_Write for Price List._)
SPINTHARISCOPES _showing the Scintillations of Radium_, =21/-=
[Illustration]
=W. MARTINDALE=, Manufacturing Chemist, =10 NEW CAVENDISH STREET, W.=
_Telegraphic Address: “Martindale, Chemist, London._” _Telephone: 1797 Paddington._
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