English: This photo shows one of the two Philips DP70 projectors in the booth of the Egyptian Theatre, Hollywood, taken on March, 14, 2014. Here is the non-operating side of the projector, showing the retrofitted motor for variable speed operation (bottom left). A viewing porthole (center right) enables the projectionist to confirm visually that oil is circulating while the mechanism is running.
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.