Illumination : its distribution and measurement / by Alexander Pelham Trotter.

  • Trotter, Alexander Pelham.
Date:
1911

Licence: In copyright

Credit: Illumination : its distribution and measurement / by Alexander Pelham Trotter. Source: Wellcome Collection.

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

    319/324 (page 291)