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Untitled image
Can you reuse this media without permission? No (with exceptions, see below)
All rights reserved
This media item is licensed under "All rights reserved". You cannot share (i.e. copy, distribute, transmit) or rework (i.e. alter, transform, build upon) this item, or use it for commercial purposes without the permission of the copyright owner. However, an exception can be made if your intended use meets the "fair dealing" criteria. Uses that meet this criteria include research or study; criticism or review; parody or satire; reporting news; enabling a person with a disability to access material; or professional advice by a lawyer, patent attorney, or trademark attorney.
Please acknowledge the item’s source, creator and title (where known)
© Copyright of Clare Gervasoni
Have a question? Contact Federation University Historical Collection
Untitled image
Can you reuse this media without permission? No (with exceptions, see below)
All rights reserved
This media item is licensed under "All rights reserved". You cannot share (i.e. copy, distribute, transmit) or rework (i.e. alter, transform, build upon) this item, or use it for commercial purposes without the permission of the copyright owner. However, an exception can be made if your intended use meets the "fair dealing" criteria. Uses that meet this criteria include research or study; criticism or review; parody or satire; reporting news; enabling a person with a disability to access material; or professional advice by a lawyer, patent attorney, or trademark attorney.
Please acknowledge the item’s source, creator and title (where known)
© Copyright of Clare Gervasoni
Have a question? Contact Federation University Historical Collection
When glass disc spins the line visible through the front slit shows the movement of waves - sound , light
Wooden frame - solid front with window slit. Open back with wooden cross bar. Spinning glass disc with a continuous black circular line - varying widths. One red line in one section.
Metal plate on front " MADE SPECIALLY FOR H.B.SILBERBERG & CO MELBOURNE"
