|Alternative reference number||NLB/36 p255|
|Title||Copy letter from A H White, to F E Smith, National Physical Laboratory, Bushy House, Teddington|
|Date||30 October 1907|
We have handed the microphoto plate to your Cadmium cell paper to Messrs Waterlow today for collotype reproduction. They may apply to you for negatives possibly, to help them in the work.
A. H. W.'.