Model of a sodium atom made according to the Bohr theory of the structure of atoms. Danish physicist Niels Bohr constructed atom models with fixed...原子
Mezzotint by C Turner after a painting by Henry Howard. Whilst at the Pneumatic Institute in Bristol, Davy discovered the anaesthetic effects of...
Engraving by R C Roffe after an earlier painting by Henry Howard. Whilst at the Pneumatic Institute in Bristol, Davy discovered the anaesthetic...
Engraving by Ambroise Tardieu after an original painting by T Philips. Whilst at the Pneumatic Institute in Bristol, Davy discovered the anaesthetic...
Mezzotint by C Turner after a painting by Henry Howard. Whilst at the Pneumatic Institute in Bristol, Davy discovered the anaesthetic effects of...
Engraving by Ambroise Tardieu . Whilst at the Pneumatic Institute in Bristol, Davy discovered the anaesthetic effects of laughing gas . In 1801 he...
Opaque white glass jar, possibly from Germany, inscribed 'O: Mirab: GL', which translates as anhydrous sodium sulphate. There is a pontil mark in the...