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The Percussive Energy Factor in Percussive-Rotary Drilling Mining Research Establishment...

Catalogue reference: COAL 74/7615

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This record is about the The Percussive Energy Factor in Percussive-Rotary Drilling Mining Research Establishment... dating from 1961 in the series National Coal Board: Minutes Series, Headquarters. It is held at The National Archives, Kew.

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Full description and record details

Reference
COAL 74/7615
Date
1961
Description

The Percussive Energy Factor in Percussive-Rotary Drilling Mining Research Establishment Report No.2199 Scientific Department Formation: Headquarters

Held by
The National Archives, Kew
Legal status
Public Record(s)
Closure status
Open Document, Open Description
Record URL
https://beta.nationalarchives.gov.uk/catalogue/id/C5828974/

Series information

COAL 74

National Coal Board: Minutes Series, Headquarters

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Catalogue hierarchy

Over 27 million records

This record is held at The National Archives, Kew

131,483 records

Within the department: COAL

Records created or inherited by the National Coal Board, and of related bodies

9,365 records

Within the series: COAL 74

National Coal Board: Minutes Series, Headquarters

You are currently looking at the piece: COAL 74/7615

The Percussive Energy Factor in Percussive-Rotary Drilling Mining Research Establishment...

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