| Heaters |
| Burners |
| Lab items |
| Lab vessels |
| Gas burners |
| Lab heaters |
| Lab burners |
| Some burners |
| Lab equipment |
| Alcohol lamps |
| Spirit-lamps. |
| Small heaters |
| Heating lamps |
| Bunsen burners |
| Certain heaters |
| Lab gas burners |
| Old gas burners |
| Alcohol heaters |
| Alcohol burners |
| Old lab burners |
| Old lab heaters |
| Chem lab burners |
| Heating vessels. |
| Heating devices. |
| Lab heat sources |
| Portable stoves. |
| Some lab burners |
| Alcoholic heaters |
| Old flask heaters |
| Old lab equipment |
| Bunsen burner kin |
| Laboratory vessels |
| Former lab heaters |
| Old beaker heaters |
| Old liquid heaters |
| Former lab burners |
| Laboratory burners |
| Lab burners of old |
| Lab heating devices |
| Bunsen burners' kin |
| Italian white wines |
| Old lab gas burners |
| Cone-shaped heaters |
| Liquid-heating cups. |
| Old burners in a lab |
| Gas burners, in a lab |
| Bunsen burner cousins |
| Liquid-heating devices |
| Lab heaters of the past |
| Bunsen burner relatives |
| Cousins of Bunsen burners |
| Old science lab equipment |
| Alcohol-heated receptacles |
| Small vessels for heating. |
| Devices for heating liquids |
| Laboratory heating devices. |
| Vessels for heating liquids. |
| Little stove and big volcano. |
| Old-fashioned heating devices |
| Certain lab equipment, formerly |
| Lab burners named after a volcano |
| Old lab items akin to Bunsen burners |