Sun, 451. Hele, Peter, 412. Helmet, diver's, _336_. Helmholtz, 274, 308. Hero of Alexandria, 74. Herschel, 261. Hertz, Dr., 138. Hertzian waves, 138. Hot-water supply, 386. Hour-hand train in timepieces, _429_. Household water supply, 364. Hughes type-printer, 134.
|39 | 10 | -- | -- | Albany | 212|26 | -- | -- | -- |27 | -- |24·5|14 |30 |1 |48 | 11 |24 | -- | +----+----+----+----+----+---+--+----+----+----+-----+ Averages | 200|26 |5·6 |24·8|11 |30 |--|50·8| 10 |24·8| -- | -- | -- .