Quotables
"The idea that cavalry will be replaced by these iron coaches is absurd. It is little short of treasonous."
Aide-de-camp to Field Marshal Haig ; At a tank demonstration, 1916
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| Number | Title | Issue Date |
| 4909117 | Portable drum sound simulator A portable drum sound simulator, especially suitable for carrying by the user, includes a pair of drumsticks containing electrical switches which are actuated by change in motion. The switches are connected to a trigger circuit which initiates operation o... | 03/20/1990 |
| 4834376 | Baseball bat with impact indicator Within a bat handle a resiliently mounted magnet oscillates when the bat strikes a ball. The magnetic field couples with a fixed inductive coil inducing a signal with an amplitude proportional to the impact force. The signal is processed to provide an ind... | 05/30/1989 |
