The science of illumination : an outline of the principles of artificial lighting / by Dr. L. Bloch ; translated by W. C. Clinton.

  • Bloch, Leopold.
Date:
1912

Licence: In copyright

Credit: The science of illumination : an outline of the principles of artificial lighting / by Dr. L. Bloch ; translated by W. C. Clinton. Source: Wellcome Collection.

Provider: This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)

    178/192 (page 170)