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Photograph - South Collimating Mark, Melbourne Observatory, South Yarra, Victoria, circa 1935 Image Reg. No: MM 107640

Summary:
Small building housing the south collimating mark at Melbourne Observatory. The collimating mark was on the meridian line of the East Transit Telescope, and used to check the alignment of the telescope and any possible disturbance in its foundations.

Photograph taken circa 1935 by Rolf Baldwin, the son of the Government Astronomer, Joseph Baldwin.
Description:
Monochrome silver gelatin print.
Description Of Content:
Small building in centre middleground, to the west of front gates of the Observatory House. Grass in foreground, bushes and trees on either side of image.
Discipline: Technology
Dimensions: 63 mm (Height), 86 mm (Width)

More information

Tagged with: astronomy, observatories, gardens, buildings, bushes
Themes this item is part of: Melbourne Observatory Collection, Science & Measurement Collection
Primary Classification: ASTRONOMY
Secondary Classification: Research
Tertiary Classification: telescopes
Inscriptions: Handwritten in black ink on the back of photograph: 'The building which used to / stand where the obelisk / now is just west of the / front gate of Observatory / house. Every so long, as / remember being told, the transit instrument was /(extensive text)'

Printed in black ink on back of photograph: 'VELOX(repeated)'

Rubber stamped in black ink on back of photograph: '6 33'
Format: Photograph: Monochrome
Photographer: Mr Rolf Baldwin, South Yarra, Victoria, Australia, circa 1935
Place & Date Depicted: South Yarra, Victoria, Australia, circa 1935

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