Complete,
With 1 in. spark coil,
£2 17s. 6d.
=CROOKES’S HIGH VACUUM TUBES=, showing the fluorescence of various minerals. A good selection always in stock, including several specialities.
SPECTRUM TUBES, GLASS BLOWING, “X-RAY” OUTFITS and TUBES, HIGH FREQUENCY APPARATUS and APPLICATORS, and other Scientific Instruments.
_Experimental work of any kind in Glass or Metal._
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