A camera film feed device is provided for enabling freely loadable placement of a film magazine which has a takeup shaft on which a film is wound and which has a film leader protruding from a film feeding opening. The invention relates to the tubers of potato cultivar FL 2137, to the seeds of potato cultivar FL 2137, to the plants of potato FL 2137, to the plant parts of potato cultivar FL 2137 and to methods for producing a potato plant produced by crossing potato cultivar FL 2137 with itself or with another potato variety. The Fe\u2014Mn\u2014Al alloy club body can eliminate vibration to maintain high elastic deformation of the Ti alloy striking plate while striking a golf ball. The invention may also include determiner for selecting a number of channel quality indices to include in the report. Upon retraction of the retractable sheath, the diaphragm expands to sealingly contact the interior of the balloon in a first contact region and form at least a first compartment and a second compartment in the balloon. A separating hyperplane in a separating space is optimized in accordance with generalized constraints which are dependent upon the clustering of the input vectors in the dataset.