Piston

Piston/Sym

no.5/1954
23',*3*3*3*3/4331/Tim,3perc/2Hp

no.6
28'(8,3,13,4)
*3*3*3*3/4331/Tim,4perc/2Hp

no.7/1960
19'(6,9,4)
23',*3*3*3*3/4331/Tim,5perc/2Hp

no.8
20',*3*3*3*3/4331/Tim,4perc/2Hp