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DAO 75th Anniversary
Shot of various programme attendees by the dome stairs. Telescope in background.
DAO 75th Anniversary
Jim Hesser pointing towards Gerhard Herzberg and Don Morton during an interview.
DAO 75th Anniversary
Jim Hesser and Gerhard Herzberg with unknown attendee.
DAO 75th Anniversary
Gerhard Herzberg and K. O. Wright speaking to an attendee of programme.
DAO 75th Anniversary
Don Morton, Gerhard Herzberg, and Jim Hesser standing outside of dome, near the guard rails.
DAO 75th Anniversary
Close-up of Jim Hesser giving a speech. Camerman is also included, but out of focus.
DAO 75th Anniversary
Jim Hesser giving a speech. Shot taken from behind attendees. Don Morton, Alan Batten and Gerhard Herzberg seated alongside of stage.
DAO 75th Anniversary
Jim Hesser giving a speech at anniversary event. Shot taken behind attendees, angled from left side.
DAO 75th Anniversary
Group of people gathered in dome for 75th annivesary speeches. Dennis Crabtree at forefront.
Dome camouflaged dome during WW II
A picture of the dome during WW II. The dome was camouflaged as there was concern its bright visibility could be used as a navigation waypoint
Original office building with landscaping
A picture of the original office building after the landscaping is complete
Telescope Tube on rail tracks outside Warner & Swasey shop, Cleveland, ready for shipping to Victoria
A picture of assembled telescope tube outside the Warner & Swasey factory ready for shipping to Victoria
Telescope Tube with engineer outside Warner & Swasey shop, Cleveland, ready for shipping to Victoria
A picture of assembled telescope tube outside the Warner & Swasey factory ready for shipping to Victoria
Telescope Tube on rail tracks outside Warner & Swasey shop, Cleveland, ready for shipping to Victoria
A picture of assembled telescope tube outside the Warner & Swasey factory.
Telescope assembled inside Warner & Swasey shop, Cleveland
An excellent picture of the assembled telescope inside the Warner & Swasey factory
J.S. Plaskett standing beside assembled telescope inside Warner & Swasey shop, Cleveland
A picture of the assembled telescope inside the Warner & Swasey factory with J.S. Plaskett standing beside it.
Telescope being assembled inside Warner & Swasey shop, Cleveland
An excellent picture of the assembled telescope inside the Warner & Swasey factory
Telescope being assembled inside Warner & Swasey shop, Cleveland
A picture of the telescope being assembled inside the Warner & Swasey factory
Mirror cover inside telescope's tube at Warner & Swasey shop, Cleveland
A great picture looking down the tube of the telescope at the mirror cover. The cover was very important for protecting the mirror from the elements and from anything being accidently dropped onto it.
End Cap for Pier, outside Warner & Swasey shop, Cleveland, ready for shipping to Victoria
A picture of one of the metal end caps that sit on the end of the cement pier.
Gears, counterweights and wheels inside Warner & Swasey shop, Cleveland
A picture of various equipment, gears, wheels in side the Warner & Swasey factory
End Caps for Pier inside Warner & Swasey shop, Cleveland
A picture of one of the metal end caps that sit on the end of the cement pier.
Gears and Counterweights inside Warner & Swasey shop, Cleveland
A picture various parts inside one of the large parts of the telescope.
Large Gear with engineer inside Warner & Swasey shop, Cleveland
A picture of the large right ascension gear with one of the enginneers.
Telescope Tube with J.S. Plaskett and 2 colleagues outside Warner & Swasey shop, Cleveland
A picture of assembled telescope tube outside the Warner & Swasey factory. John Stanley Plaskett is in the right, in the middle is Ambrose Swasey. The man on the left is Edward Burrell and engineer of Warner & Swasey
Large Gears with engineer, outside Warner & Swasey shop, Cleveland
A picture of an engineer with some of the gears used in the telescope.
Handling Cart for primary mirror at Warner & Swasey shop, Cleveland
A picture of the handling cart for the mirror of the telescope. The mirror was coated wit silver than had to be replaced every few months when it tarnished. The mirror was lowered into this cart so it could be easily moved.
Polar Axis on blocks with machinist, outside Warner & Swasey shop, Cleveland (end view)
A picture of the completed polar axis on blocks outside the Warner & Swasey factory
Polar Axis on blocks with engineer, outside Warner & Swasey shop, Cleveland (end view)
A picture of the polar axis on blocks outside the Warner & Swasey factory
Polar Axis on blocks, outside Warner & Swasey shop, Cleveland (end view)
A picture of the partially disassembled polar axis on blocks outside the Warner & Swasey factory
Polar Axis on blocks, outside Warner & Swasey shop, Cleveland (side view)
A picture of the polar axis of the telescope out side of the Warner & Swasey factory. The polar axis is accurately aligned to the axis of Earth's rotation so that the telescope can properl;y track stars.
Gravity Drive at Warner & Swasey shop, Cleveland
A picture of the original clock drive for the telescope. At the time the telescope built, the best way to move the telescope to accurately track the stars, was to drive the telescope by a mechanism that was powered by a falling weight. Very smooth!…
Gears on table at Warner & Swasey shop, Cleveland
A picture of the right ascension gear of the telescope. This gear drives the telescope around the axis of the telescope pointing north.
Dome structure, top half of dome assembled on ground at Warner & Swasey factory, Cleveland
A picture of the test assmbly of the dome structure at the Warner & Swasey factory in Cleveland, OH. Large structures were test assembled at the factory before being shipped
Dome structure detail, view of dome assembly at Cleveland, showing shutter opening and drive wheel
A detailed picture of the dome assembly at the Warner & Swaseyfactory in Cleveland, OH. This shows the shutter opening and the drive wheel for opening and closing the shutter.
Dome structure detail, view of dome assembly at Cleveland, showing wheel on track with parts numbered
A closeup of assembled dome structure at the Warner & Swasey factory in Cleveland, OH. Note howsome of the parts are numbered
Dome structure, upper half almost assembled, outside on ground at Warner & Swasey factory, Cleveland
A picture of the test assmbly of the dome structure at the Warner & Swasey factory in Cleveland, OH. Large structures were test assembled at the factory before being shipped
Wheels and track (to rotate dome) assembled on ground, outside Warner & Swasey factory, Cleveland
A picture of the assembled track structure on which the dome would sit
Tracks for rotating the dome, being built inside Warner & Swasey factory, Cleveland
A picture of sections of the tracks on which the rotating dome would sit. The track is the same used for railways.
Telescope scale model, finished, real telescope in background inside Warner & Swasey factory, Cleveland
A picture of of the completed model in front of the assembled telescope in the Warner & Swasey factory. It was standard practice to test assemble large structures before they were shipped to be erected at the actual site
Telescope scale model, finished closeup view at Warner & Swasey factory, Cleveland
A picture of the finished model of the telescope and dome. The telescope and dome could be moved. The telescope was moved by inserting a rod into the base of the telescope where it connected to the gears. This model was exhibited in the 1915…
Telescope scale model, finished, inside Warner & Swasey factory, Cleveland
A picture of the finished model of the telescope and dome. The telescope and dome could be moved. The telescope was moved by inserting a rod into the base of the telescope where it connected to the gears. This model was exhibited in the 1915…
Telescope scale model, almost finished at Warner & Swasey, Cleveland, shows factory machinery
A picture of the almost completed model of the telescope and dome. The telescope and dome could be moved. The telescope was moved by inserting a rod into the base of the telescope where it connected to the gears. This model was exhibited in the 1915…
Telescope scale model, being built at Warner & Swasey, Cleveland, shows factory machinery
A picture of the lower half of the 1/10th scale model of the telescope and dome that was built by Warner & Swasey. This is an excellent image of their workshop showing a series of lathes powered by leather belts all connecting back to the power…
Wooden telescope model on top of filing cabinet
A picture of a early wooden model of the telescope and part of the dome structure. This is likely sitting in the offices of the Warner & Swasey Co. who built the telescope.
Mirror finished, wall calendar in background in John Brashear's Pittsburgh optical shop
A picture of the figured mirror in Brashear's workshop. The calendar shows the month as November, 1915. We don't know if this is the month the image was taken.
Mirror, finished surface in John Brashear's Pittsburgh optical shop, different view
A picture of the more or less completed mirror in Brashear's workshop
Mirror, finished surface in John Brashear's Pittsburgh optical shop
A picture of the more or less completed mirror in Brashear's workshop
Mirror being ground in John Brashear's Pittsburgh optical shop
A picture of the partially figured mirror on the grinding stand. The surface is much smoother than that of the raw mirror blank
Mirror tooling in John Brashear's Pittsburgh optical shop
A good picture of Brashear's workshop with apparatus and tools