Minutes of the 1st meeting of Commission A, Delft, 5–6/02/1954. Relevant subjects: notes of the secretariat on equipment and technical details of the ranges at disposal of the Commission, Florence (Italy) and Switzerland.
Note concerning the preparation of triangulation strips, 23/06/1954, Instructions for the triangulation at constant altitude, Instructions for the execution of the programme of Commission A.
Correspondence, Agenda and minutes of 2nd meeting of Commission A (French), 10 to 11/07/1954. Relevant subjects: signalisation of ranges, control methods of the chambres des prises a vue, Preparation of bands, Discussion on intructions for aerial triangulation at constant altitude, Triangulation methods adopted by the centres – standardisation of methods, Utilisation of points signalises, Trials on the appareils de restitution and on grills, Exam of the carnets d’observation, Discussion of the notes of the Secretariat (1st meeting of Commission A), Writing the definitive instructions for the execution of Commission A’s programme, New centres participating to the OEEPE activities.
Correspondence, agenda and minutes of the meeting of Commission A, Delft, 11 to 12/04/1957, with related correspondence. Relevant subjects: Report by the President on the workings of the Commission and the problems, New tests to be executed, Rules for the execution of sequences, Engagements of the centre, Compensation, Use of auxiliary data, Study on the propagation of errors in the aerial triangulation, New Italian range, Numerical triangulation.
Letter by Lemaire explaining his proposals on a work programme on exploitation des couples-temoins, 8/01/1958
Minutes of the meeting of Commission A in Frankfurt, 29 to 30/09/1959. Relevant subjects: commission’s report, test ranges, new rules
Agenda and minutes of the meeting of the Commission A, Stresa, 21 to 23/09/1965. Relevant subjects: Discussion of the Commission President’s report, Activities of the Centres and directives on final report, Report on the situation of the view-spots on range

Dutch, French

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