How to mend Bell & Howell 644 Filmosound

How do you replace the belt on a Bell & Howell #1421 Super 8 Projector?

Trying to find a repair man for my Bell and Howell slide projector?

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bell and howell filmosound 8 model 458A?

How can I fix my Bell&Howell 8mm multi motion projector?

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Repairing take-up reel drive shaft rubber wheel/tip - Bell & Howell MX43 ?

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compatible projector?

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bulb removal?

Bell & Howell projector?

B&H 471 loading?

Obtaing Repair Manuals?

How can I fix movie projector Bell & Howell model #456A ?

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Bell & Howell Filmsound 8 Model 458?

Bell & Howell Model 456 Movie Projector?

bottom reel runs to fast?

Take up reel not turning?

How can I repair take up reel when it doesn't spin?

replacing a Bell-Howell 1615 Projector belt?

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Old Bell & Howell 8mm projector service center?