Stand No. 341
Foley, John Brian Some rockets.
De La Salle College, Churchtown, Dublin. uses of artificial satellites and
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Griffin, Mar/in
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Hard/man, Kevin Eugene
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Matthews, James William
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O Cuinn, Ian Padhraig
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St. Conleth's College, Ballsbridge, Dublin. To illustrate the Law of the Lever by a survey of artificial limbs, with particular reference to the lower limbs. Cistercian College, R oscrea. The construction of a light modulator and how it can be used to transmit voice signals over short distances.
The King's Hospital, D u bli n. To demonstrate some properties of static electricity by means of a home-made Van de Graff machine.
Colaiste lognaid, G a illi m h . A leiriu le cabhair tollan gaoithe an tionchar a bhionn ag sruth aeir ar cruthanna airithe. O'%Vei/l, Brian Rockwell College, Cashel.
Wind speed from an armchair, using a wind-propelled dynamo and a galvonometer. O'Regan, Michael Gerard St. Finbarr's College, F arran fe rr i s. Gases-a source of energy.
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O Ruairc, Caoimhghin
Colaiste lognaid, G a illi m h .
An speictreascbp a leiriu agus e a usaid ar bhealaigh eagsula.
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O'Sullivan, Dermot Michael
Moyle Park College, Cl on d a lki n.
By polarisation of light to devise a nonglare headlamp system for night driving. O Tuathaigh, Daithi Geardid Colaiste lognaid, Gaillimh .
A study of light. Sheridan, Wallace Patrick
Clongowes Wood College, Naas.
An investigation into the effect that length, width, air pressure and other factors have on the tone and pitch of sound produced by an organ pipe. By using an oscilliscope to determine the maximum width, theoretical and practical, at which an organ pipe will function.
The Sackville Press. Dublin