These slides were created by Professor Biles for teaching purposes in the early 20th century, and consist of copies of photographs, illustrations, plans, and diagrams from earlier periods (rough dates listed below). Includes:
- Slides of various yachts, 19th century;
- Slides of factory machinery, undated;
- Slides of diagrams relating to ships, 19th and 20th century;
- Slides of various locomotives, 19th century;
- Slides of various ships, including warships, undated;
- Slides of balloons, 18th century;
- Slides of sea planes and aeroplanes, undated;
- Slides of Leonardo Da Vinci sketches, 1452-1519;
- Slides of plans of ships, undated;
- Slides of illustrations from a book by J H Biles, 1919;
- Slides of the Carmania Experimental Plant, undated;
- Slides of Yarrow's Evaporation Experiment, undated;
- Slides of various shipyards, undated;
- Slides of various launchings of ships, 20th century;
- Slides showing models of ships, 17th to 20th century;
- Slides of the Forth Road Bridge, 20th century.