Accession No

4816

Brief Description

botanical wall chart showing line graph of carbonate equilibria, by Curtis, English, 1900-1967

Origin

England; Cambridge

Maker

Curtis

Class

natural history; prints

Earliest Date

1900

Latest Date

1967

Inscription Date

Material

paper; cloth

Dimensions

breadth 1372mm; height 1021mm

Special Collection

Botanical teaching diagrams from Dept. of Plant Sciences

Provenance

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

Inscription

‘CARBONATE EQUILIBRIA.’ (top)

Description Notes

Line graph (black ink) plotting percentage of HCO3- and of CO32- against pH in the equilibrium of CO2 and H2CO3. The 10% lines are marked, as are those for every pH unit, so that the background to the lines is of boxes.
An extra set of boxes has been painted out at the left side.
Ref number on reverse.

References

Events