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There was continuing concern about the attendance at meetings and, by implication, income to the Society. A programme of demonstrations in the Department of Engineering was arranged featuring a 'Wilmshurst machine', 'Steam efficiency tests on boilers'; 'Gas fired engines and pumps'; and the 100 ton Buckton machine used for crunch tests on pit props, concrete blocks and 'Tension tests on steel chains and bars'. This departure from the usual lecture format was popular and brought in new members. Shortly before this, Mr. T.E. Gough resigned as Treasurer after a forthright opinion of his incompetence was penned in a letter to him from the long serving and respected Secretary Mr. W O'Grady. the credit balance in the bank account was then good enough to justify the printing of the Society's Objects, Rules and Constitution. A copy of this document is pasted in the Minute Book, signed and dated by each committee member.
Successful summer visits were arranged to the Ely Paper Mill, Aberthawe cement works, Llandaff Cathedral, and a power station.
The membership had risen to 128 seniors and 41 juniors and the balance in hand to £13 3s 2d with an insurance premium of £1 5s 0d for public liability to pay.
The 1936 'Syllabus' included a lecture on 'The ubiquitous electron' by Professor Dunbar, 'The future of Populations' by Mr J.H. Lloyd; 'An historic view of lightning in the mins' by Professor T. David Jones; and 'Germs in the air' by Professor R.C. McLean.
Lectures for 1937/8 included one by Dr. Seth on 'Psychology' which concluded with an intelligence test involving the audience. Another members' evening featured Mr. S.A. Luen describing 'Psychological Tests'; Mr R.T. Gifkins talked about 'Hydraulic Power', Mr. C.M. Parsons introduced 'A Transmitting Set', and Mr. R. Hogan explaining the determination of 'Blood Groups'.
Planning a future programme was overshadowed by events on the political and military scene in Europe.
On September 27th September 1939, the committee resolved:
'That the activities of the Cardiff Scientific Society be and are hereby suspended for the duration of the war period.'
History of the Cardiff Scientific Society -