The Baldwin A260 was actually built by Viscount in Italy and likely 15 to 20 years old. $6,000 seems a bit high although the current "asking" price at many venues. The "asking" price is not always the "selling" price. Start your bid quite a bit lower which gives you some wiggle room.
17 miles taking this route:'Take A260 towards CANTERBURY from Folkstone to A2 towards CANTERBURY and LONDON.Take A2 to Canterbury.If you are coming from the CHANNEL TUNNEL, follow signs to the EXIT to M20 (A20). Once you are at M20/A20, follow signs to A20 to FOLKESTONE. This will be on the WHITE sign. From there, take A20 to A260 to CANTERBURY. EXIT, then follow signs to A260 towards CANTERBURY.
You can find the structure of protein using CD spectroscopy. you can measure the concentration of biomolecules using UV-Vis spectrophotometer.If you have a specific problem, I may suggest which spectroscopy is suitable for you