Reproduced below is the documentation issued to participants in the 1953 ACU/BTSC motor assisted cycle trial. This has been copied from the paper work issued to entrant 37: George Denton, Sales Manager of Mini-Motor Ltd. Thanks to his son, Tony Denton, for providing the original documents.
[There is more information on the MAC trials in the archive.]
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                         A U T O - C Y C L E  U N I O N.
                    MOTOR-ASSISTED  CYCLE  DEMONSTRATION  TRIAL
 
                            SUNDAY, 26TH APRIL, 1953.
                                    l2 noon.
                    START and FINISH AT THE OLYMPIC WAY CAR PARK,
                                WEMBLEY STADIUM.
                    (By kind permission of Sir Arthur Elvin, M.B.E)
                                    ________
                         A Special Restricted Competition Promoted
                    by the Auto-Cycle Union assisted by the British
                    Two-Stroke Club.
                                    ________
                            OFFICIALS OF THE MEETING.
                                    Stewards
                            Mr. A. C. Woollard   (A.C.U.)
                            Mr. R. S, G. Cawse   (B.T.S.C.)
                            Mr. F. L. Farr
                                  Chief Marshal
                            Mr. J. C. Lowe       (A.C.U.)
                              Clerk of the Course.
                            Mr. E. G. Oxenham    (B.T.S.C.)
                                   Scrutineer.
                            Mr. J. R. Jeary      (B.T.S.C.)
                                   Timekeeper.
                            Mr G. R. Evans
                            (A.C.U. Gertificd, Orade "A").
                                  SPECIAL TESTS.
                    Audiometric Tests by Professor A. M. Low, A.C.G.I., D.Sc.    
                    Brake Test  -  Mr. A. W. Day (in charge).
                            Secretary of the Meeting.
                                Mr. S. T. Huggott
                    Secretary, Auto Cycle Union, 83, Pall Mall, London,S.W.l.
                                  A.C.U. STAFF.
                            Messrs. H. Cornwell, V. Hows and K. Shierson.
                         A C K N O W L E D G M E N T S.
                    Our thanks are due to ESSO PETROLEUM LIMITED
                    for the fuel and services they have provided
                    to-day, and to membors of the British Two
                    Stroke Club for their kind assistance as
                    Marshals, etcetera.
                    --------------------------------------------
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First published, April 1953