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HOSPITALS, LABORATORIES, UNIVERSITIES, RESEARCHERS, PHYSICIANS, VETERINARIANS, and STUDENTS all love our Used & Dealer Demo Microscopes! With up to 50% off on some models our Used Microscopes and up to 40% on our D/D Microscopes can save you serious money the next time you purchase microscopes. (Please email if the price is not included with the listing.)

We purchase name brand demo microscopes of all makes & models from other microscope dealers (Olympus, Zeiss, Leica/Leitz, Nikon, Reichert, Seiler, Unitron) and sell them up to 35% off new prices. Some of the microscopes are the latest models and some are 'last year's models'. These scopes have used for demo's in the dealer's office and at shows or conventions. Some are NEW/OLD STOCK. They each include minimum of 30 day warranty and customer satisfaction guarantee. Optional extended warranties available for additional cost.Be sure to check out our USED DEMO MICROSCOPE OFFERINGS, too!

We accept Purchase Orders from Universities, Hospitals, Government Laboratories with prior approval.  

If you decide to make a purchase using our shopping cart please be sure to add the appropriate selection for S/h/ins at Check Out.

If you decide to make a purchase using our shopping cart please be sure to add the appropriate selection for S/h/ins at Check Out.  If you are outside the continental 48 States of the USA PLEASE contact us for the shipping amount prior to check out.


Thank you.


When considering a purchase you will want to know this:

TSC, Inc ships to the USA (48 Continental States), CANADA, and most countries throughout the world. Please take note that our Shopping Cart and Check Out can only be used if your shipping address is in the USA (48 States) or Canada, and you use a major credit card. If your shipping address is outside the USA (48 states) or Canada please contact our office with your complete shipping address & the product you wish to purchase. We will calculate the amount for you so you will be able to add the shipping amount and finalize your Check Out.  (Please do not attempt complete the Check Out until we have supplied you with the shipping amount.)

Credit Card Payments:

   If shipping to the USA or Canada please select the 'name of the product' you wish to purchase, and select 'USA' or 'Canada'. The correct S/H/Ins amount will automatically be added to your total so you can finalize the transaction.
TSC, Inc. and Authorize Net, our Credit Card Merchant Service Provider adhere to the most stringest Privacy regulations in the industry and do not share or sell any of our customer's credit card or personal information whatsoever. (Please email for full disclosure regarding this.)
Bank Wire Transfers / Company or Personal Checks / Money Orders / International Orders:
   Please send a message or call our office or if you wish to use Bank Wire Transfer, Personal, Business Check, or Money Order.
For orders from outside the 48 States (USA), or Canada, the only form of payment we accept is Bank Wire Transfer. We also accept Bank Wire  Transfers from anywhere for orders of $300 or more. Any payment must clear our bank prior to shipping. Depending on the type of payment, please allow between 3-7 days for the payment to clear. 
***Insurance is automatically included in the shipping amount on all shipments with a price greater than $100. This is to ensure protection for all parties.  
We are in the process of providing our customers with a more stream-lined Shopping Cart.
Thank you!
Tottleben Scientific Company



800 283 9997 Office

618 656 9008 Office

618 656 9599 Fax