surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments

surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments

surveying instrument consisting of the upper movable part of a theodolite including the telescope and its attachments

any telescope designed to collect and record electromagnetic radiation from cosmic sources

any telescope designed to collect and record electromagnetic radiation from cosmic sources

any telescope designed to collect and record electromagnetic radiation from cosmic sources

any telescope designed to collect and record electromagnetic radiation from cosmic sources

any telescope designed to collect and record electromagnetic radiation from cosmic sources

any telescope designed to collect and record electromagnetic radiation from cosmic sources

any telescope designed to collect and record electromagnetic radiation from cosmic sources