Condensers, Kimble Modern Liebig West #18003.
Jacket length 500 mm.
All glass, straight tubes.
Plastic/gasketed end caps.
Exactly like Central Scientific's 14459 series condensers.
Being sold in American Science & Surplus's April catalog for ~$20 each.
In original (old) packaging.

I have 13 of these.  $15 each.  Volume discounts:

 Buy  Discount Bonus
-------------------------------------------
3 - 8   10%    Free insurance.
9 +     30%    Free shipping and insurance.

For quality control, all have been opened and inspected for damage.  :)
Buyer must pay for shipping/insurance unless otherwise noted.
Shipping should be about $2.00 for one or two; $3.00 for three or four; etc.
Insurance should be about $0.75 per tube.