| The maple leaf symbol is sandblasted on every approved hydrometer and glass thermometer together with the two last digits of the year. |
| With this method, the hydrometer is incorporated into a precision lifting mechanism for easy and exact positioning in the test liquid. |
| In Europe, Gay-Lussac's hydrometer and tables are chiefly used for alcoholometric testing. |
| The other piece of equipment is a device called a hydrometer, which measures alcoholic strength. |
| Here the syrup is boiled carefully to attain the correct sugar density as measured with a sugar hydrometer and filtered again. |
| The LSSD will examine the hydrometer to ensure that it meets the required specifications. |
