| 20871 | 17632 | Dorothy Hartley | Water in England | 1964 | E/32.2 | Hartle |
| 20874 | 17631 | Paul Wilson | Water turbines | 1974 | B/24.5 | Wilson |
| 20876 | 17603 | Nigel Nixon and Josselin Hill | Water power | 1987 | B/24.3 | Nixon, |
| 20884 | 17987 | David Dickson | Alternative technology and the politics of technical change | 1974 | E/34 | Dickso |
| 20885 | 17988 | Nigel Dudley | Energy | 1981 | E/34 | Dudley |
| 20886 | 17989 | A R Ubbelohde | Man and energy | 1963 | E/34 | Ubbelo |
| 20887 | 17623 | Heinz Kurth | Wind power | 1978 | E/34 | Kurth, |
| 20888 | 17607 | Francis Haveron | "The Brilliant Ray" or "How the Electric Light was brought to Godalming in 1881" | 1981 | E/32.1 | Havero |
| 20889 | 17609 | Dermot McGuigan | Small scale wind power | 1978 | E/34 | McGuig |
| 20891 | 17627 | Palmer Cosslett Putnam | Power from the wind | 1948 | B/24.2 | Putnam |
| 20892 | 17993 | Paul McClory | Focus on alternative energy | 1985 | E/34 | McClor |
| 20893 | 17999 | Mark Lambert | Future sources of energy | 1986 | E/34 | Lamber |
| 20894 | 18002 | Ronald Alves and Charles Milligan | Living with energy | 1978 | E/34 | Alves, |
| 20895 | 18001 | edited by Lloyd Lindo | Power and energy | 1984 | E/34 | Lindo, |
| 20900 | 17624 | Tom Kovarik et al | Wind energy : the generation, storage and conversion of wind power for practical use today. | 1979 | B/24.2 | Kovari |
| 20901 | 18000 | Jack Bainbridge | Power | 1977 | E/34 | Bainbr |
| 20902 | 17604 | D J O Brandt | The manufacture of iron and steel | 1960 | E/36.1 | Brandt |
| 20904 | 20921 | Lindley | Illustrated catalogue : C. Lindley & Co | 1928 | E/37 | Lindle |
| 20905 | 17620 | David Allan Low | A manual of machine drawing and design | 1893 | E/36.0 | Low, D |
| 20906 | 17622 | The Southern Lime Association | The uses of lime in building | ? | B/05.7 | Southe |
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