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Hardback notebook, 1919-1922
Hardback notebook, dated 1919-1922. The item contains notes of experiments and ideas on oscillators and circuits, some with various dates, December 1919-October 1922; and notes for 'Further Experiments on Atmospherics'. There are a few notes at the rear of the notebook. See also Coll-37/B.4 which consists of loose pages of notes and calculations which were originally inserted into this notebook.
Red softbacked notebook, inscribed inside 'E. V. Appleton. St. John's College, Cambridge', 1919
Red softbacked notebook, inscribed inside 'E. V. Appleton. St. John's College, Cambridge', dated 1919. Both ends of the item are used. Contains notes (some dated 1919) of experiments on oscillating circuits; notes on glassblowing; notes of work planned, including 'Van der Pol's coils'; and Narrative of experiments conducted.