the setting circle. There is also a prominent declination circle and a declination fast slew motor". Another telescope, an incomplete Schmidt camera, is attached to the 24 inch telescope tube as is a large finder scope initially designed as a telescope in its own right and adapted as a guide scope. The telescope is located on top of a large solid brick pier within a building comprising a square brick base and a large 3.7 metre rotating dome constructed of steel and galvanised iron. The dome has two steel shutters operated by motors. The rotation of the dome is achieved by the movement of 16 wheels "driven from the hand paddle located adjacent to the eyepiece of the main telescope , or from drive controls located at various points round the dome ring". The Observatory building also contains Beames' first telescope constructed in 1934. This instrument is constructed of brass and is also a finely crafted work. A cupboard contains various sights and lenses made by Beames as well as an electrical switch and power board constructed by Beames to power the large telescope and dome and the second pendulum which he designed and constructed to regulate the movement of the main wheel of the telescope mount. The telescope and the observatory building were all designed and manufactured by Beames in his workshops at Five Dock and later the workshops located on the observatory site. The only exception was the machining of the right ascension and declination shafts which were done at Morts Dock. The Observatory building also contains left over boxes of optical components of sighting telescopes and signalling lamps as well as working drawings and notes for his optical work during WWII and the construction and engineering of the telescope and observatory. Various engineering workshops and other buildings house machinery used in his engineering business, and in construction his last project, a planetarium instrument. Workshops and buildings on site also house drawings, invoices, specifications and other parts of the collection including machinery . One workshop was a sheet metal workshop and while this now serves as a meeting room and storage space, it still contains sheet metal lathes and other tools. The banks of grinding machines that Beames specially designed for mass production of WWII optics for the Australian and British Navy and his other grinding and polishing equipment are located in a custom built temperature, controlled workshop