Unidad documental simple Y/PPT/6/4/719 - City of York Sewage Disposal. Open Septic Tank and No. 2 Continuous Filter.

1 plan

Graph Showing Rate of Oxygen Absorption in 4 hours at 80 Fahrenheit, measured over a period of months from 7 March 1905 to 12 September 1905 - Drawing type: Graph
Drawing number (if any):
Scale: No scale
Size: Large
Names: No names indicated

PLEASE REQUEST THIS ITEM ONE WEEK IN ADVANCE - HELD IN OFFSITE STORAGE

Open

Material is available subject to the usual terms and conditions of access to Archives and Local History collections.

Images are supplied for private research only at the Archivist's discretion. Please note that material may be unsuitable for copying on conservation grounds. Researchers who wish to publish material must seek copyright permission from the copyright owner.

• inglés