photographic replica diffraction grating (3000 lines to the inch)
- Made:
- 1888
- maker:
- John William Strutt
photographic replica diffraction grating (3000 lines to the inch), dated 1888. Marked (T.H.Court?) as purchased from the Rev. P. S. Sleeman
Details
- Category:
- Optics
- Object Number:
- 1918-109
- Materials:
- glass, cardboard and paper (fibre product)
- Measurements:
-
overall: 5 mm x x , 65 mm, .02kg
- credit:
- Court, Thomas Henry