A superb mechanical magic lantern projection slide. Here we have a truly magnificent astronomical rack-work slide in perfect working condition. Its original paper label states : ” no. 5 a diagram to prove the earth;S rotundity ” the wooden base measures, 7 ” x 4 1/2 “. As can be seen the brass retaining clips and screws have since been subject of professional restoration and are excellent. The handle being of turned wood. French origin.
