Record

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Archive Reference / Library Class No.	NCB/A/BOL/8/2
Former Reference	N42/1/5
Title	Bolsover Colliery output record book
Date	1897-1977
Description	Handwritten tables for yearly output. There are columns for month, days worked, output tons, output, output hundred weight, average tons and average hundred weight. From 1934, tonnage is separated into seam totals. From 1951 the tables change to compare output vs saleable coal. From 1964 it changes to cover tax year. Annotated remarks are included.
Extent	1 volume
Level	Item
Repository	Derbyshire Record Office
Archive Creator	Bolsover Colliery Company Ltd
Archive Creator	National Coal Board