细节
A brass level by Thomas Wright,
the 17¾-inch telescope with cross-hair adjustment, held in cradle with coarse and fine adjustment by key, with scale divided 0°-5°-10°, vernier and spirit level with coloured liquid, the limb signed and dated Made by Tho. Wright Inftrument Maker to his Royal Highness the PRINCE 1725, on staff mount (2)
the 17¾-inch telescope with cross-hair adjustment, held in cradle with coarse and fine adjustment by key, with scale divided 0°-5°-10°, vernier and spirit level with coloured liquid, the limb signed and dated Made by Tho. Wright Inftrument Maker to his Royal Highness the PRINCE 1725, on staff mount (2)
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See colour plate