Accession No

4902

Brief Description

botanical wallchart depicting table of soil development over chalky boulder clay in Breckland grassland, by G. B. 'Herbert' Newham, English, early to mid-20th Century

Origin

Cambridge

Maker

Newham, G. B. 'Herbert'

Class

natural history; prints

Earliest Date

1919

Latest Date

1967

Inscription Date

Material

cloth; paper

Dimensions

breadth 1100mm; height 713mm

Special Collection

Botanical teaching diagrams from Dept. of Plant Sciences

Provenance

Transferred from the Department of Plant Sciences, University of Cambridge.

Inscription

‘SOIL-DEVELOPMENT OVER CHALKY-BOULDER CLAY IN BRECKLAND-GRASSLAND TYPES A-G. (WATT).’ (bottom)
‘Soil Development of soil-profile from over chalky-boulder clay in Beckland-Grassland types A-G (Watt)’ (faint pencil handwritten, top)

Description Notes

Table, outlined in blue pencil, showing ‘stage in development of profile’ for seven types A to G. The right seven columns show numerical data, to at least three significant figures in the first four rows.
The left column names the stages of development: ‘% CaCO3 in surface 6” soil sample.’; pH in surface 6” soil sample.’; ‘% humus in surface 6” soil sample (=Cx 1.274)’; ‘exchangeable Ca in M.E. in surface 6” soil sample.’; ‘average depth in in’s of soil over chalky boulder clay.’; ‘total number of species of vascular plants.’; ‘total number of bryophytes. (species).’; ‘total number of species of lichens.’
All text and numbers are stencilled capitals.
Ref number on reverse.
Fair condition.

References

Events