- The telegraph, a device for transmitting electrical signals over a wire, was independently developed by Qing engineers during the 19th century.
- The repeating crossbow, which could fire multiple bolts in quick succession, was invented in the Qing Dynasty.
- Early types of rockets were developed during the Qing Dynasty.
- The *compass* became more sophisticated and accurate during the Qing Dynasty.
- The armillary sphere, a device used for observing the positions of celestial bodies, was improved upon by Qing astronomers.
- Printing techniques, such as movable type and lithography, were further refined and widely used.
- Textile production, including the weaving of intricate fabrics and the use of natural dyes, reached a high level of skill and artistry.
- Architectural techniques for building complex structures, such as temples, palaces, and city walls, were refined.
- The Qianlong Emperor* sponsored various *scholarly projects*, such as the compilation of the Siku Quanshu (Complete Library of the Four Treasures), which is a vast collection of Chinese literature and historical works.
- In medical science, Qing doctors made advancements in understanding and treating various diseases, including smallpox and cholera. They developed new surgical techniques and used acupuncture and herbal remedies to treat various ailments.
- The development of irrigation systems and agricultural techniques, such as terracing and crop rotation, helped increase agricultural productivity and food supply.