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Title | Maker | Date Made | |
Electric Lamp bulb | Ismay Lamps Ltd | 20th c. | View |
Halogen bulb 03000 | Welch Allyn | c.1987-1990 | View |
Halogen bulb 03700 for use with a streak retinoscope | Welch Allyn | 1987 | View |
Halogen bulb 04900 | Welch Allyn | Early 1990s | View |
Hamblin-Lister lamp bulb | Theodore Hamblin Ltd | Mid 20th c. | View |
Osram 3715 lamp bulbs | Osram | Late 20th c. | View |