From George Eastman House : Notes On Photographs
Catalogue information
| Catalogue Information
|
| Title/Descriptive title | Powerhouse Mechanic
|
| Owner accession number | 1977:0069:0008
|
| Dimensions (cm) Print (hxw) | 25.1 x 20.3 cm (9.9 x 8 in)
|
| Dimensions (cm) Mount (hxw) | not mounted
|
| Paper thickness | 0.36 mm
|
| Negative date | 1920
|
| Print date | 1977
|
| Paper fiber result date | 1970 ‐ 1995
|
| Inscriptions | x
|
Visible light photographic documentation
Paper fiber results and analysis
| Pulp type | Amount | Species (if ID'd)
|
| Softwood bleached sulfite | 82% | Spruce and/or Hemlock
|
| Hardwood bleached kraft | 16% |
|
| Hardwood bleached sulfite | 1% | Populus spp
|
| Hardwood bleached sulfite | 1% | Birch
|
| Softwood bleached kraft | 0% |
|
Paper fiber result: 1970 ‐ 1995
Analysis: While the other fibers are quite common, HBK appears in these percentages only during this period.
Colorimetric results
Fluorescence behavior
UVA
UVC
