5i 



surface water removed with a damp cloth. Inking is done by 

 vertical tapping strokes. There are several kinds of touch, and 

 very many methods of controlling the image, introducing accentua- 

 tion, eliminating detail, etc., are possible. The simplest one is 

 overinking a part which is required darker than a ' straight ' print 

 would give or underinking when it is required lighter. Although 

 there is so much scope for individuality in the process, it has its uses 

 even for purely record photography. When inking is complete the 

 print is hung up to dry. Any hairs or dust adhering to it may then 

 be removed with a needle. A number of members expressed their 

 determination of trying this fascinating process. 



The Chairman, Mr. Hankinson, having resigned, Dr. Dixon 

 proposed Mr. Barlow for election to the office and the matter having 

 received an affirmatory vote from the meeting, he was elected by the 

 Committee in due course. 



,p he On Mar. 3rd, R. Y. Banks, Esq., read a paper on 



_ " The Renaissance of Stereoscopy," about 35 



members being assembled. The historical aspects 

 ereoscopy. Q £ ^ e subject were first touched upon in this 

 interesting lecture, starting from the explanation of the theory of 

 binocular or stereoscopic vision given by Euclid over 2000 years 

 ago. The stereoscope was invented by Wheatstone in 1838, before 

 the invention of photography. Mr. Banks briefly explained the 

 theory of the subject and showed that the stereoscopic camera with 

 its two lenses and dividing septum is a replica of the human optical 

 system, the septum of which is formed by the bridge of the nose. 

 The revival of stereoscopy of late years is chiefly due to the improved 

 lenses and printing processes available. As regards the photographic 

 side of the work, soft negatives should be aimed at. The uses of 

 stereoscopy in scientific work were touched upon and the whole was 

 illustrated by some fifty beautiful transparencies and a number of 

 prints, the majority of which were the work of Mr. Banks. After- 

 wards Col. Markwick and Mr. Barlow showed some astronomi cal 

 stereograms. That of the latter consisted of two of his photographs 

 of the solar eclipse of August 1905, taken at an interval of some 

 minutes. The resulting displacement of the moon caused it to 

 appear to stand forward in front of the sun. 



Photo 



On April 21st, Dr. Dixon gave a demonstration of 

 " Some Simple Methods of Photomicrography." 

 Micrograp y. Eighteen members were present. He pointed out 

 the obvious advantages of the photographic method over drawing, 

 and also the great fascination of the subject, as the worker is 

 brought into contact with some of the most beautiful of nature's 

 handiwork. Dr. Dixon showed an apparatus of his own design and 

 construction with which much satisfactory work has been done and 

 after explaining it in detail, he exposed and developed an excellent 

 negative of sponge spicules. In order to obtain the best results in 

 the more advanced and difficult branches of this pursuit, much time 

 and earnest attention are necessary and suitable apparatus required. 



