A small clear indicator light bulb that fits into E10 sockets and runs on 28 volts, commonly used to show equipment status on control panels.

A small clear light bulb for telephone and telecom control panels, rated for 30 volts and lasting 6000 hours.

A small clear indicator light bulb for 28-volt systems, commonly used in aircraft and control panels, that lasts 10,000 hours.

A small clear indicator light bulb for old telephone and switchboard systems that runs on 28 volts.

A small clear indicator light bulb for machinery and control panels that runs on 6.3 volts and lasts 20,000 hours.

A small clear indicator light bulb with a bayonet fitting for 60-volt control panels and equipment status displays.

A small white light bulb that fits into vehicle dashboards and equipment panels, runs on 24 volts, and lasts about 1000 hours.

White flashing LED lamp for industrial signalling beacons, 24V.

A small clear indicator light that plugs into control panels and machinery to show when equipment is running or in alarm.

A small clear indicator light bulb for control panels and equipment, rated 12 volts and designed to last a very long time.

A small white 24-volt indicator light bulb for control panels and machinery, lasting 7000 hours.

A small indicator light bulb for 28-volt equipment panels and machinery dashboards that lasts 10,000 hours.

A small, bright indicator light bulb designed for aircraft and equipment control panels, rated for 28-volt systems.

A small clear indicator light bulb designed for telephone and control panel equipment, rated for 30 volts.

A small, clear indicator light bulb for 28-volt electrical systems, commonly used in aircraft and industrial equipment control panels.

A small clear indicator light bulb that runs on 24 volts and lasts 10,000 hours, commonly used to show equipment status on control panels.

A small clear indicator light bulb for 28-volt control panels and aircraft instruments that lasts 25,000 hours.