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History of Science Museum

Wood-Framed Mechanical Lantern Slide: No. 4 Direct/Retrograde Motion Venus/Mercury, c.1880

Inventory Number 96740


Acknowledgement: © History of Science Museum, University of Oxford, inv.96740

Item type
Object
Object type
Lantern slide
Dimensions
Height: 98mm Width: 174mm Depth: 14mm Weight: 132g
Inventory No
96740

Description

Wood-framed lantern slide with brass alloy cog wheel winding mechanism attached with 5 screws. 4 further screws hold the frame together. A label is printed: "No. 4. This Diagram illustrates the apparent direct and retrograde motion of Venus or Mercury; and also its stationary appearance. The frame is also inscribed R. Gunther, Oxford.