Grace's Guide To British Industrial History

Registered UK Charity (No. 1154342)

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 167,670 pages of information and 247,074 images on early companies, their products and the people who designed and built them.

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.

Machine Tunnelling Co: Difference between revisions

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1870 Formed for trial purposes.
1870 Formed for trial purposes.


1870 Demonstrated rapid rock boring on the property of the [{Croeser Slate Co]]
1870 Demonstrated rapid rock boring on the property of the [[Croesor United Slate Co]]


1872 A public company, the [[Diamond Rock Boring Co]] was formed to acquire the business of the [[Machine Tunnelling Co]], <ref>The Times, Dec 07, 1872</ref>
1872 A public company, the [[Diamond Rock Boring Co]] was formed to acquire the business of the [[Machine Tunnelling Co]], <ref>The Times, Dec 07, 1872</ref>

Revision as of 08:52, 9 December 2019

1870 Formed for trial purposes.

1870 Demonstrated rapid rock boring on the property of the Croesor United Slate Co

1872 A public company, the Diamond Rock Boring Co was formed to acquire the business of the Machine Tunnelling Co, [1]


See Also

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Sources of Information

  1. The Times, Dec 07, 1872