2026/036
EEL BRS Daylight Factor Meter
c.1960
EEL BRS Daylight Factor Meter manufactured by Evans Electroselenium Ltd, Harlow, UK. Fitted leather velvet-lined case and strap. The case indicates that the meter was distributed by Diffusion Systems Ltd, London.
It is used to measure the daylight factor which is the ratio of internal daylight to external daylight.
Used in the Concrete Laboratory at Heriot-Watt University, Edinburgh, UK.
| Acquisition Number | 2026/036 |
|---|---|
| Item Type | |
| Short Description | EEL BRS Daylight Factor Meter |
| Manufactured by | |
| Date of Manufacture | c.1960 |
| Sub-items | Fitted leather velvet-lined case |
| Supporting Items | None |
| Makers Number | 1095 |
| Marks | None |
| Dimensions (mm) | 80 (dia) x 75 |
| Donor | |
| Date Donated | May 2026 |
| Materials | Metal and glass |
| Condition | Good – but not functional |
| Display Location |
