Carbonising book showing gas production

Reference: K/B/E1/1

Date: 1931-01 - 1933-12

Carbonising book showing gas production

Reference: K/B/E1/10

Date: 1960-01 - 1962-12

Carbonising book showing gas production

Reference: K/B/E1/11

Date: 1963-01 - 1965-12

Carbonising book showing gas production

Reference: K/B/E1/12

Date: 1966-01 - 1968-12

Gas production record

Reference: K/B/E1/13

Date: 1969-01 - 1970-12

Gas production record

Reference: K/B/E1/14

Date: 1971-01 - 1973-12

Gas production record

Reference: K/B/E1/15

Date: 1974-01 - 1977-12

Gas production record

Reference: K/B/E1/16

Date: 1978-01 - 1981-12

Gas production record

Reference: K/B/E1/17

Date: 1982-01 - 1986-01

Gas production record

Reference: K/B/E1/18

Date: 1986-01 - 1988-12

Carbonising book showing gas production

Reference: K/B/E1/2

Date: 1934-01 - 1936-12

Carbonising book showing gas production

Reference: K/B/E1/3

Date: 1937-01 - 1939-12

Carbonising book showing gas production

Reference: K/B/E1/4

Date: 1940-01 - 1942-12

Carbonising book showing gas production

Reference: K/B/E1/5

Date: 1946-01 - 1949-01

Carbonising book showing gas production

Reference: K/B/E1/6

Date: 1949-01 - 1951-12

Carbonising book showing gas production

Reference: K/B/E1/7

Date: 1952-01 - 1954-04

Carbonising book showing gas production

Reference: K/B/E1/8

Date: 1954-04 - 1956-12

Carbonising book showing gas production

Reference: K/B/E1/9

Date: 1957-01 - 1959-12

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