Here it goes again:
As I said, there are many sources for wheellock info and pictures. I highly recommend you seek permission before using any of the following for your website.
Books:
Wheellock Firearms of the Royal Armouries Perhaps my absolute favorite source of wheellock pictures! Worth every penny!
Videos:
PISTOLS OF THE 1600S - A VIDEO - this video claims to show a few wheellocks, including a disassembly and discussion of how they work. I haven't seen it, but I'm tempted to order it.
Auction Houses:
These can be some of the best places to find original weapons, and often they have high quality images and full descriptions.
James D Julia - A number of fine antique wheellocks in old auction catalogs.
Antique Arms
Gregg Martin Auctions - An elaborately decorated puffer for a boy.
Gregg Martin Auctions - Antique musket lock.
Gregg Martin Auctions - Antique Wheellock key.
Hermann-Historica
Czernys - Auctioner of fine firearms, including many wheellocks!
Hessink
Antique Gun Dealers:
There aren't a lot of antique gun dealers that sell pre-flint, but like auction houses, they can be a great resource.
Henry Krank - A handful of fine antique wheellocks - and they can be yours...for a price!
Magazin Royal
Peter Finer - Don't expect to own any of these unless you've got the resources of the Smithsonian.
Paul M. Ambrose - None currently available, but pictures are.
Hunters Hyline Kennel - I have no idea how I first came across this - it's not a dealer, but a kennel that took in a wheellock as payment for a bill, and is trying to sell it.
Museums:
There are many wheellocks held in museums. Very few museums put pictures of their holdings online, but some do!
Statens Forsvarshistoriske Museum - I can't read this site, but I sure like the pictures!
The Metropolitan Museum of Art - Online pictures are low res, but they sell a cd!
Leger Museum - No pictures, just descriptions. You may want to contact the curator for possible pictures.
Reproduction manufacturers:
Armin Konig - Perhaps the current builder of the absolute finest reproductions available. All of his guns are exact reproductions of originals he has direct access to. I sent him a request for information, and he sent me a full color catalog of various guns he's made, and a list of the additional originals he has access to.
Osvaldo Gatto - While not pictured on his site, if you go through his videos, you'll see a wheellock he made from scratch, and he'll make one for you too!
Armart A Czech repro maker offering a paddle butt stocked musket.
Fort Comanche Frontier Firearms - This page has the sideplate of one of their customer built wheellocks.
John Buck - Well known builder of matchlocks also makes wheellocks - at very reasonable prices!
Albion Small Arms - I'm pretty certain this company is out of business, but their website still has pictures of 2 locks and one pistol.
Ray Morris - This maker doesn't claim to make functional weapons, but does claim the actions work. He's recently retired, but still takes on projects occasionally.
A2armory - A toy wheellock repro (normally wouldn't includde this, but I included the prior one).
Pancerni - I honestly don't know what this site is. I can't read a bit of it, but it's got some nice pictures of what appear to be repros, complete with accoutrements.
Parts suppliers:
The Rifle Shoppe - A few of their parts sets have pictures online. I don't have their catalog, but there's apparently more pictures available in it as well.
Steve Bookout - Step by step build of musket made of TRS parts.
Blackley and Son - UK competitor to TRS, though they only sell lock sets.
Other Informative Websites:
Leonardo Da Vinci's Codice Atlantico - original drawings by Leonardo Da Vinci - I can't find the direct links to the drawings associated with the wheellocks, but you can find them here.
Feuerwaffen - The Radschloß - info and pic of the origin of the wheellock.
Feuerwaffen - Original lock duplicated for reproduction musket.
Silcom Info on the wheellock with animated graphic.
Of course, you could also do the obvious - ask the wheellock builders here for pictures and permission to use them!