M.H. Dunn and J. Spark give lecture to Open Association
Object type Photograph Record level ItemDetails
- ID
- Group-1975-53
- Title
- M.H. Dunn and J. Spark give lecture to Open Association
- Description
- The apparatus was demonstrated in a lecture given to the Open Association in November 1975 by M. H. Dunn and J Spark. From left to right, the apparatus on the bench is: a Gramme magneto-electric machine (c. 1870) driving electric motor, a dynamo-electric machine (c. 1870), a Ruhmkorff coil, a polyphase motor, a Kelvin water dropper electrostatic machine, a Wimshurst machine (c. 1885), and on the side table a Holtz electrical machine (c. 1865). The apparatus on the floor to the left is for the analysis of sound and was developed by Konig (c. 1870).
- Collection
- Photographic Portraits Collections (collecting area)
- Parent record
- Group portraits - 1975 Parent record level Series
- Hierarchy
- View hierarchy
- Created by
- Date
- November 1975
- Department
- Special Collections - Photographic Collections
- Record level
- Item
- Format
- Media
- Acknowledgement
- © The University of St Andrews
- Conditions
- CC BY-NC Creative Commons Attribution-NonCommercial 4.0 International Public License
- Credit line
- Courtesy of the University of St Andrews Libraries and Museums, ID: Group-1975-53