One place you can find parts to repair microscopes is at http://www.microscopesfromnightingale.com/. They have parts for a number of different brands of microscopes in addition to the microscopes they sell and they also offer to do repairs for you.
Try http://tarpmotor.com/. They say they specialize in hard-to-find dump truck parts.
There you go, this can get you either services, or parts, whichever comes first. http://www.sodaspr.com/
Go to airsplat and you should find what your looking for. Or you could look up "air gun repair" on the web.
You can find the repair parts from the manufacturer itself or go to a luggage repair site.
You can find bicycle pump repair parts at local bike shops, online retailers, and specialty cycling stores.
You can find a timeline on microscopes at nobelprize.org.
You can find backpack repair parts at outdoor retailers, specialty backpack stores, or online websites that sell backpack accessories.
Answer == You might try to find the manufacturer's website. Maybe you can also go to a repair shop directly.
If luggage is in need of repair, one may be able to find replacement parts for their particular brand of luggage by checking the manufacturer's website for parts and repair instructions. If parts are not available a repair shop would have to be located.
Where is the nearest parts dealer/repair shop for Weedeater ?
Most Auto Parts stores sell repair manuals.
Most top brands offer repair parts. You can even find most parts at sporting good stores for major name brands.