You can look on Gumtree for classified listings of used gym equipment in and around London, or you can go to Powerhouse fitness to check out their selection of used equipment.
There are several companies that offer used farm equipment. You can check local stores for farm equipment or special order the equipment online.
One can find asphalt equipment for sale used on Buy My Asphalt, Rb Auction, and Asphalt Kingdom. Other options for purchase of asphalt equipment are Rock and Dirt and Mascus.
There is no listing for a company that sales used salon equipment locally. You do have the option of ordering equipment from the internet.
Estate auctions are good places for finding used farm equipment for sale. However, the best estate auctions that have used farm equipment will be in rural areas away from major cities.
Websites like Playitagainsports.com and Usedgypmequipment.com offer used exercise equipment for sale. These sites also have more information on the benefits of used exercise equipment.
Survey equipment can be found online at the following sites: www.MartinInstrument.com, www.mohaveinstrument.com/NewFiles/UsedEquipment.html, stores.ebay.com/International-Surveying-Equipment
The best site to find a used backhoe is http://www.machinerytrader.com/. You can also try http://www.rockanddirt.com/equipment-for-sale/backhoes or http://www.equipmentlocator.com/elsm/loader-backhoes.htm.
One could find a used Rover 200 for sale in London, England through Auto Trader as well as Just Good Cars. There are many listed for private sale on both sites.
Chances are you can find equipment like this for sale on eBay. Many people sell used farming equipment on this site.
Here's a company that sells microfilm scanners: http://www.microfilmcompany.com/ and a general list of suppliers: http://www.thomasnet.com/products/microfilm-equipment-51170801-1.html Chances are you can find equipment like this for sale on eBay. Many people sell used microfile equipment on this site.
One of the best places to find used restaurant equipment is on Craigslist.org or PennysaverUSA.com
You could try the gyms themselves to see if they are replacing used equipment. Many sports stores sell some used equipment and of course second hand stores would sometimes have gym equipment.