De Holtz Double Tube

Catalogue number #960883927

Crookes' Alternative 'Y' tube 1	Crookes' Alternative 'Y' tube 2

Description:

Early de Holtz double tube was designed to demonstrate that the electron beam will not turn a 'corner' (see Crookes' lecture delivered to the British Association for the Advancement of Science 22 August 1879) This is demonstrated dramatically in this extraordinary glass tube where all the electron beam is channelled down one side instead of splitting in two. length 22" (56 cm width 4.75" (12 cm) Delivery at cost guaranteed to arrive intact.

Sale Details:

Price: £ 1275.00

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