title: A block and wedge holder for the Picker Series 8 cobalt-60 teletherapy machines.
abstract: A rigid, easily demountable, and versatile device combines the function of three separate accessories for the Picker Series 8 cobalt-60 teletherapy machine. Wedges and lead blocks are held simultaneously, and firmly so that the blocked field may be directed at any angle.
mesh_terms: D003037:Cobalt Radioisotopes; D006801:Humans; D011867:Radioisotope Teletherapy / Q000295:instrumentation*
chemical_list: D003037:Cobalt Radioisotopes