Has anyone come across documentation or examples which validate this
statement?

http://www.ros.org/wiki/ROS/Technical%20Overview#line-130 "in fact, a
service client does not have to be a ROS node" 
-- 
View this message in context: http://ros-users.122217.n3.nabble.com/examples-of-non-ROS-service-clients-tp1636253p1636253.html
Sent from the ROS-Users mailing list archive at Nabble.com.