JSTOR Daily4 年
An Account of Several New Instruments and Processes for Determining the Constants of a ...
Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London, Vol. 4 (1837 - 1843), pp. 469-471 (3 pages) ...
BBC1 年
Musical journeys: Instruments of the world
You may be familiar with musical instruments such as the drums, guitar and piano. These are very well-known instruments, used in lots of music we listen to. There are also lots of musical ...
JSTOR Daily8 年
On Improvements in the Instruments and Methods Employed in Determining the Direction and ...
Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London, Vol. 3 (1830 - 1837), pp. 184-186 (3 pages) ...