Syphon barometer designed by Captain J P Basevi
Syphon barometer designed by Captain J.P. Basevi, R.E., used by Captain Heaviside, and recommended as a pattern by the latter in July 1874. In bamboo case
Syphon barometer designed by Captain J.P. Basevi, R.E., used by Captain Heaviside, and recommended as a pattern by the latter in July 1874. In bamboo case