The present invention relates to T-DNA vectors and methods for obtaining transgenic eukaryotes using said vectors. The outlet end of the connector body includes a central axis. The camera server includes notifying means that have been issued by one client to notify the client of time information including a waiting time before the camera control is possible and a permitted control time during which the camera control is permitted for a fixed period after the waiting time has elapsed. Preferably, the signed article has a unique identifier located thereon, and the image is preferably edited to also include that identifier. The correction signal can be amplified to higher levels and injected into the circuit, without affecting gain of fundamental signals; and can result in significant even order distortion improvements, and improved balance of complementary fundamental signals. The use of a linear drive system in combination with the flexible supports can provide apparatus having no rotational or rubbing parts.