Principles of Physics and Meteorology

acid action angle aperture apparatus atmosphere axis ball barometer centimetres centre of gravity circuit coloured column condensation conductor connection consequently copper cubic centimetres cylinder decimetres density deviation diameter direction disc distance earth easily electricity equal equilibrium experiment fall fluid force of tension friction galvanic glass horizontal inches instance iron kilogrammes layers of air length lens Leyden jar liquid London luminous point magnetic manner mass means mercury metal metres millimetres mirror molecules motion needle object observed opening oscillation particles pass pendulum phenomena piston plane plate pole position pressure prism produced quantity rarefaction rays of light reflected refracting represented in Fig retina Robert Wight round seen in Fig side solid bodies space specific gravity steam surface temperature thermometer tion tricity tube upper valve vapour velocity vertical vessel vibrations voltaic pile wave weight whilst wind wire zinc