This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Instrument for making perspective drawings . en Instrument for making perspective drawings Transactions of the Society Instituted at London for the Volume Royal Society of Arts Great Britain other versions PDold John Farey Jr Uploaded with Uploaded with
Page 2023 Free-images.com. All images are Public Domain