Vintage 3M 0822 Railroad Signal Bulbs 30W 30V S11 E17 USA made - NOS Genuine
£16.04
Summary of these exact bulbs (3M 0822). With the industry-wide switch to LEDs, 3M and most other U.S. manufacturers discontinued these bulbs years ago. Classic 3M part number you have:0822. 1970s–1990s: Peak usage of incandescent signal bulbs.
