Hollis Frampton (1936-1984), Phenakistiscope. Printed cardboard disk, 6 3/4” (17cms) in diameter, to be spin on a pencil in front of a mirror. Instructions: “Impale on pencil – Spin counter clockwise – Peep through slots – Observe in mirror”. From: SMS issue No. 4, August 1968. SMS, or Shit Must Stop, was a collection of 6 portfolios with various artist multiples published in 1968 in NYC by William Nelson Copley. Original, static picture from Davidson Galleries’ anthology of SMS multiples on PDF.