A 1964 Sawyer's Rotomatic slide projector

Source

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  1. Wikipedia:Recent additions/2016/June, Archive of Main Page appearance.
  2. Wikipedia:Recent additions/2015/September, Archive of Main Page appearance.
  3. Wikipedia:Recent additions/2016/July, Archive of Main Page appearance.
  4. Wikipedia:Recent additions/2016/June, Archive of Main Page appearance.