| Question | Experiments in the photography of moving objects … well before 1900. |
|---|---|
| Title | 3115 |
| QType (0=kprim,1=mc,2=sc) | 2 |
| Q_1 | have been conducting |
| Q_2 | had been conducted |
| Q_3 | being conducted |
| Answers | 0 1 0 |
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