Astronomical Instruments of the Imperial Observatory

A large-scale woodcut diagram of an astronomical instrument, possibly an armillary sphere or a large quadrant/sextant. The image shows a partial view of a large circular scale with graduated markings and a decorative support structure featuring scrollwork. To the right, a separate triangular sighting or support component is shown. In the background, there is a stylized representation of a landscape with water and small trees or bushes. The diagram is enclosed within a double-line border.

Figure 52

甲 A