64 



of the modern one-plate tricolour screen photography, as represented 

 by the Lumiere Autochrome plate, the Dufay and the Thames 

 plates ; the two former are French and the latter an English make. 

 The method of taking the photograph, which is comparatively 

 simple, provided the correct exposure be ascertained, was described, 

 and the whole illustrated by a large number of beautiful examples 

 taken by Mr. and Mrs. Hamilton. These covered a great range of 

 subjects : — (a) Shewing the value of colour photographs as scientific 

 records of pathological conditions. The lecturer dwelt on their 

 advantage over more or less inaccurate drawings and the ordinary 

 photograph with no colour differentiation at all. (b) Microscopical, 

 Some very good preparations were copied with great fidelity, (c) 

 Glass and China, (d) Flowers, (e) Butterflies, Moths, etc., (/) Pictures 

 and Portraits. The lantern was admirably managed by Mrs. 

 Hamilton. 



T . . On March 4th, 191 1, R. Y. Banks, Esq., gave a 



Slide as a lecture > entitled " The Lantern Slide as a means of 



Means of Photographic Expression," divided into two chief 



Photographic parts : W the makin g of a lantern slide; (2) the 

 E rr I colouring of a lantern slide. Seventy illustrative 



slides had been prepared by Mr. Banks, all of them 

 excellent save a few specially made to illustrate defects and pitfalls 

 which were, of course, also excellent for their purpose. The lecturer 

 expressed the opinion that the reduction method of making slides was 

 preferable to the contact process. Formulae and detailed instructions 

 were given for what is really by no means a difficult printing process. 

 In the second part a short history of the attempt to obtain photo- 

 graphs in colour was described. This can now be done in the case 

 of transparencies, though paper prints cannot be made (see account 

 of last lecture). But many pleasing monochrome colours can be 

 obtained by toning, tinting by hand, etc., which add much to the 

 beauty and variety of the pictures. In the case of lantern slides 

 there are three ways of doing this : — ( 1) By a general staining with 

 suitable dye, (2) by toning during development, (3) By toning, after 

 development, the ordinary black and white slide. Examples by 

 each method were shown. (1) can be extended by the application 

 of dyes of different colour to various portions of the slide, and some 

 good examples thus tinted by means of the Velox Transparent Water 

 Colour Stamps were exhibited. 



. On April 26th, 191 1, a small party went by train to 



p C ** S1 °h T Fordingbridge and drove thence to the village of 

 t-ordingbridge, South Damerham After ta ki n g some photographs 



of the old church etc., they proceeded over the open 

 downs to the unfrequented village of Martin. Owing to the beautiful 

 weather the drive was very enjoyable. After tea at Fordingbridge 

 the return to Bournemouth was made. 



