Machine Tunnelling Co
1870 Formed for trial purposes.
1872 A public company, the Diamond Rock Boring Co was formed to acquire the business of the Machine Tunnelling Co, [1]
See Also
Sources of Information
- ↑ The Times, Dec 07, 1872
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1870 Formed for trial purposes.
1872 A public company, the Diamond Rock Boring Co was formed to acquire the business of the Machine Tunnelling Co, [1]
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