Calendar: 1865-1866 Page 149

applied sciences 149 Collodion-The Nature of and Mode of Preparation The Nitrate of Silver Bath-Its preparation the Disorders to which it is liable and the method of treating them Developing Solutions-Their action explained Fixing Solutions-Why necessary and the reactions which take place Varnishes the dark room and glass house The principles on which they should be constructed- Arrangement of Chemicals and Apparatus manipulations connected with the negative and posi- tive processes in glass Explained and illustrated by practical demonstrations photographic printing Theory of Direct Printing on Paper-Toning and Fixing of Prints explained-Practical Demonstrations of the Process both on Glass and Paper-Causes of Fading of Photographs -Mounting of Prints the collodion dry processes Their comparative Merits explained and illustrated- Practical details of photographic manipulations These are conducted by the Students themselves under the superintendence of the Lecturer and they comprehend the whole course of Photographic practice Defects of manipu- lation reaction of impure chemicals symptoms of over and under exposure and in short the multitudinous causes of failure in photography are pointed out as they occur and the best means of avoiding them are explained XIII Engineering Workshops For Hours of Attendance see the Time Table The Workshops have been considerably improved by the addition of Planing Machine for Metal Work and by the