Anesthesia machine internal piping

From: Loeb RG, Feldman J. Anesthesia Machines. In: Encyclopedia of Medical Devices and Instrumentation, 2nd ed, Webster JG (Ed), Wiley, Hoboken, NJ 2006. http://onlinelibrary.wiley.com/book/10.1002/0471732877. Copyright © 2006. Reproduced with permission of John Wiley & Sons Inc. This image has been provided by or is owned by Wiley. Further permission is needed before it can be downloaded to PowerPoint, printed, shared or emailed. Please contact Wiley's permissions department either via email: permissions@wiley.com or use the RightsLink service by clicking on the 'Request Permission' link accompanying this article on Wiley Online Library (http://onlinelibrary.wiley.com).