general info

fluorescent-compact fluorescent lamp light bulb
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cross-referenced to donsbulbs part:
inventory check: sold out
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bulb specifications:
category: Fluorescent-Compact Fluorescent lamp
watt: 26
base: G24q3
glass: 2F
filament: FLUORESCE
m.o.l.: 6.5 inch (165MM)
i.lumens: 1800
cp: 140
cri: 82
color temp: 4100
d.hours: 10000
notes: dim:165MMx27MM

typical shape of 2F glass envelopes
(not to scale)

typical shape of FLUORESCE filament
(not to scale)

industry standards for base:
(not to scale)
click for base G24q3 detail sheet

Don's grand wisdom: When multiple bulbs are in a circuit; if one bulb burns out, you really should replace all bulbs at same time. This way all bulbs will look the same. Otherwise, mixing "used" bulbs with "new" bulbs (or mixing brands) will each look different (some will be dimmer, some a different shade of color.) For example, automobile headlights and tail-lights must always be replaced in pairs or they will look odd. And, when one bulb is at it's end of life, the other will be near it's end of life too. Keep good working "used" bulbs as emergency spares.

Although few specialty light bulbs and sockets are manufactured anymore, I have decent inventories of most types in stock, plus additional sources for nearly everything. All are guaranteed brand new, most being NOS (new old stock). Shelf life is forever.

Prices usually rise as inventory is sold off. Website updated daily to reflect current stock and prices. Click add to cart button above, and order at today's prices.

My inventory does NOT keep track of brands. Expect bulbs to perform same regardless of brand. Submit order only if you don't require specific brand. Read my general information.

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Thank you, Don Schnapp


Definition of light bulb refers to lamp.
Definition of socket refers to lampholder (lamp holder).

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donsbulbs part number:
can also be

3189131 ACE
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manufacture name:  Bell & Howell
model number #:  1480
model name:  Multi-Motion
size:  8mm
type of equipment:  projector
notes:  only the green one
comments:  any comments