Abstract: A labelling machine has each of a number of article supporting plates mounted in a rotary table for movement within a recess in a guide plate when a clamp presses an article against a spring urging the supporting plate to a position flush with the guide plate, and the supporting plate has a plurality of peripheral notches making a sliding fit with projections on the guide plate extending into the recess and having surfaces converging towards each other in the direction away from the clamp, whereby each article coming into contact with the converging surfaces of the projections as the clamp pressing the article causes the supporting plate to move into the recess in the guide plate against the spring urge results in the article being moved into a definite position on the supporting plate in relation to its cross-sectional shape.