Pulhamite
Pulhamite was a patented anthropic rock material invented by James Pulham (1820–1898) of the firm James Pulham and Son of Broxbourne in Hertfordshire. It was widely used for rock gardens and grottos.
Pulhamite was a patented anthropic rock material invented by James Pulham (1820–1898) of the firm James Pulham and Son of Broxbourne in Hertfordshire. It was widely used for rock gardens and grottos.
Pulhamite was a patented anthropic rock material invented by James Pulham (1820–1898) of the firm James Pulham and Son of Broxbourne in Hertfordshire. It was widely used for rock gardens and grottos.
Source: Wikipedia "Pulhamite" · CC BY-SA 4.0
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