… Portable electric lamps designed to function by their own source of energy (for example, dry batteries, …
Explanatory notes
… ‑ Portable electric lamps designed to function by their own source of energy (for example, dry batteries, … connected together, often in a single case. In some types, however, these elements are separate and are connected by … Such lamps are classified here only if they have their own source of current (dry battery in user’s pocket, for …