oscilloscope, scope, cathode-ray oscilloscope, CRO
['accordion, piano accordion, squeeze box', 'coil, spiral, volute, whorl, helix', 'vending machine', 'rotisserie', 'hand blower, blow dryer, blow drier, hair dryer, hair drier', 'gas pump, gasoline pump, petrol pump, island dispenser', 'screw']