7 Inscriptions
7.1
The following inscriptions must be engraved or indelibly printed on the scalebearing strip of enclosed-scale thermometers and on the stem of solid-stem thermometers:
7.1.1
The symbol “” near the scale.
7.1.2
The manufacturer’s name or trademark.
7.1.3
An indication identifying the glass used for the bulb, if the glass is not already identified by its maker.
7.2
Other inscriptions may be added, but only if there is no risk of misleading the user.