Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
New beam dispersion projectors for colliery lighting
Illustrated note on anti-glare flood light unit, with flameproof type of beam dispersion projector.
New beam dispersion projectors for colliery lighting
Illustrated note on anti-glare flood light unit, with flameproof type of beam dispersion projector.
New beam dispersion projectors for colliery lighting
Colliery Guardian
Colliery Guardian ; 172
1946
Aufsatz (Zeitschrift)
Englisch
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Photometric tests of flood lighting projectors
| Engineering Index Backfile | 1917
Bentinck colliery of new Hucknall Colliery Co, Ltd
Engineering Index Backfile | 1934
| Engineering Index Backfile | 1940
| Engineering Index Backfile | 1955
| Engineering Index Backfile | 1963