parts list Systems 1 & 2 have this compressor: http://ridl.cis.rit.edu/products/manuals/CTI/9600Compressor.pdf http://ridl.cis.rit.edu/products/equipment%20images/dewar/dewar1/dewar1%20at%20UC/images/img_2725.jpg http://ridl.cis.rit.edu/products/equipment%20images/dewar/dewar1/dewar1%20at%20UC/images/img_2722.jpg http://ridl.cis.rit.edu/products/equipment%20images/dewar/dewar1/dewar1%20at%20UC/images/img_2716.jpg The helium lines attach to our dewar through 90 degree bends (in the current setup): http://ridl.cis.rit.edu/products/equipment%20images/dewar/dewar1/dewar1%20at%20UC/images/img_2715.jpg System 3 has this compressor: http://ridl.cis.rit.edu/products/manuals/CTI/chiller8200.pdf Table 3 costs are: http://ridl.cis.rit.edu/products/quotes/Quotation%201038131%20for%20ROCHESTER%20(1).pdf I think that we should buy these: http://cgi.ebay.com/CTI-40ft-Helium-Hose-8043074-G480-035-04-NTB-260PSIG-/280253024797?pt=LH_DefaultDomain_0&hash=item414061ca1d#ht_500wt_1156 I called the store, and they said that they would sell them for $300 each if we bought all eight. (note that they cost much more for new ones from the manufacturer: http://ridl.cis.rit.edu/products/quotes/Q_27775.pdf I had originally allocated $2000 for six cables of 50 feet each in the budget that I gave to you. We also need six of these to connect our existing lines with the new lines: http://www.abcelectronicsmn.com/cti-helium-line-coupler-3-4.aspx (I bet that we could get them to throw these in for free if we get the hoses). We would still have to find one more, which I think would be easy. The CTI quote is part#8031135 (I/I ADAPTER AEROQUIP FLEXLN) is $130.00 each Finally, we need 70 foot power cables - longer versions of these: http://cgi.ebay.com/CTI-8112463G400-97C03-On-Board-Power-Cable-/220520365950?pt=LH_DefaultDomain_0&hash=item335809bf7e#ht_500wt_1156 The quote from CTI is part#8112212G007 (CABLE ASSY ADAPTER ON-BD 70') is $226.00 each Additional ideas: Hooks installed in hood to strain relieve the power cables and network jacks Retractable wall for conference area (separates conference area from lab)