On Matter and Ether, Or The Secret Laws of Physical Change

action affinity amount approach arrangement assume atmosphere atoms attraction axis bismuth bodies carbon cause central centre character charge chemical cloth cohesive colour combine compound conceived consists constant contrast Crown 8vo cycles density depend direction distance distinct double earth Edition effect elasticity electric elements equal ether explain facts fluid follows force four further gaseous greater half heat Hence hydrogen hypothesis inch increase intensity inverse iron kind known length less light limit magnetic material matter mean metals monads motion move natural nearly negative neutral distance nitrogen opposite oxygen particles phenomena plainly plane polarity poles positive present pressure probably produce properties ratio relation repel repulsion result right angles rotation seems separated side simple solid space square strong structure substance suppose surface tend theory tion union units vary vibrations viva wave weight whole