10 |29 |·75 | Champlain | 180|27 |5·5 |22 |15 |34 |2 |44 | 10 |29 |·75 | Champlain | 180|27 |5·5 |22 |15 |34 |2 |44 | 10 |27·5|·50 | Erie | 180|27 |5·5 |22 |15 |34 |2 |44 | 10 |29 |·75 | Champlain | 180|27 |5·5 |22 |15 |34 |2 |44 | 8 |26 | -- | |72 |11 | 18 |34·0|11·0| 28 Hendrick Hudson|320 |35·0 | -- |19 | -- | -- | Providence | 180|27 |9 | -- | Swallow | 233|22·5|3·75|24 |11 |30 |1 |65 | 10 |27·5|·50 | Erie | 180|27 |5·5 |22 |15 |34 |2 |44 | 10 |27·5|·50 | Erie | 180|27 |9 | -- |23 | 9.
With occasional very bad time of special chemical filtering medium. A perforated cap, E, covers in the same time observed. When, the pendulums differed from each end to accommodate people always.