Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3743Chemical news office., 1932 |
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Strona 23
... square and 1 / 160th acre in area . In the centre of each was perman- ently marked out by posts and wires a small area 1ft . 9ins . square ( i.e. , about 3 square feet . ) . On May 25th , 1931 , the plants occurring on these small ...
... square and 1 / 160th acre in area . In the centre of each was perman- ently marked out by posts and wires a small area 1ft . 9ins . square ( i.e. , about 3 square feet . ) . On May 25th , 1931 , the plants occurring on these small ...
Strona 30
... square , a black hexagon , a black diamond ( parallelogram ) with long axis inclined from the horizontal , three curly lines , a round blue spot , a black ring , and the periodic square is coloured mauve , using in some cases ...
... square , a black hexagon , a black diamond ( parallelogram ) with long axis inclined from the horizontal , three curly lines , a round blue spot , a black ring , and the periodic square is coloured mauve , using in some cases ...
Strona
... Square , London , S.W.1 . ) Price of Journal to Non - Members : 30s . per annum or 3s . per copy . Published for Society by W. Heffer & Sons , Ltd. , Cambridge . THE JOURNAL OF THE Chemical , Metallurgical & Mining Society of South ...
... Square , London , S.W.1 . ) Price of Journal to Non - Members : 30s . per annum or 3s . per copy . Published for Society by W. Heffer & Sons , Ltd. , Cambridge . THE JOURNAL OF THE Chemical , Metallurgical & Mining Society of South ...
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