1 Subjects: “...Technology -- Social aspects -- Great Britain -- History -- 19th century...”

2 Subjects: “...19th century...”

3 Subjects: “...20th Century...”

4 Subjects: “...18th Century...”

5 Subjects: “...Great Britain...”

6 Subjects: “...20th century, c 1900 to c 1999 / bicssc...”

7 Subjects: “...19th century, c 1800 to c 1899 / bicssc...”

8 Subjects: “...19th century, c 1800 to c 1899 / bicssc...”

9 Subjects: “...18th Century...”

10 Subjects: “...20th century, c 1900 to c 1999 / bicssc...”

11 Subjects: “...Later 20th century c 1950 to c 1999 / bicssc...”

12 Subjects: “...18th century...”

13 Subjects: “...Great Britain...”

14 Subjects: “...20th century, c 1900 to c 1999 / bicssc...”

15 Subjects: “...thema EDItEUR::3 Time period qualifiers::3M c 1500 onwards to present day::3MP 20th century, c 1900...”

16 Subjects: “...Great Britain...”

17 Subjects: “...Great Britain...”

18 Subjects: “...Great Britain...”

19 Subjects: “...Great Britain...”

20 Subjects: “...Asking; history; human action; technics; technologies...”