Five riders tested positive&colon; Henk Nijdam, Jos Timmerman, Rudi Altig, Bernard Guyot and Pierre Matignon. The works drivers of Murphy, Guyot and Boyer were supplemented by French driver Louis Inghilbert. The vines are generally trained in either single or double guyot. Watkins led freedom songs with Lawrence Guyot. On the ninth lap Guyot had a tyre blow out. This was pioneered in "Hilton v Guyot". Examples of cane trained systems include the "Guyot" and "Pendelbogen". Sunbeam claimed its cars were not ready, as did Alfred Guyot. To technically be considered a guyot or tablemount, they must stand at least tall. Examples of cane training systems include the Guyot, Mosel arch and Pendelbogen. Jeannette Guyot and Virginia Hall were the only two women to receive the award. Albert Guyot raced a 4.5-litre Sunbeam. A Swiss engraver, Numa Guyot, created a bookplate depicting a Green Man in exquisite detail.