![A rare Ottoman brass equinoctial ring dial, signed by Mahmud Bey al-Falaki, Egypt, dated 1291 AH/1874 AD | Arts of the Islamic World & India including Fine Rugs and Carpets | 2021 | Sotheby's A rare Ottoman brass equinoctial ring dial, signed by Mahmud Bey al-Falaki, Egypt, dated 1291 AH/1874 AD | Arts of the Islamic World & India including Fine Rugs and Carpets | 2021 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/704ed4e/2147483647/strip/true/crop/2000x2000+0+0/resize/2048x2048!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2F0c%2Fb4%2Fd80f802b4fe5b05b469fae0a49ca%2Fl21220-bt5nq-1.jpg)
A rare Ottoman brass equinoctial ring dial, signed by Mahmud Bey al-Falaki, Egypt, dated 1291 AH/1874 AD | Arts of the Islamic World & India including Fine Rugs and Carpets | 2021 | Sotheby's
![A c. 1720 Universal Ring Dial - Antique Scientific Instruments, Globes and Cameras 2018/04/04 - Realized price: EUR 7,500 - Dorotheum A c. 1720 Universal Ring Dial - Antique Scientific Instruments, Globes and Cameras 2018/04/04 - Realized price: EUR 7,500 - Dorotheum](https://www.dorotheum.com/fileadmin/lot-images/39D180404/normal/ringsonnenuhr-um-1720-5100935.jpg)
A c. 1720 Universal Ring Dial - Antique Scientific Instruments, Globes and Cameras 2018/04/04 - Realized price: EUR 7,500 - Dorotheum
![Astronomical ring dial from hemisferium ICA. Adjustable for latitude and time of year till time like it's 1565 and find your … | Great gifts, Corporate gifts, Gifts Astronomical ring dial from hemisferium ICA. Adjustable for latitude and time of year till time like it's 1565 and find your … | Great gifts, Corporate gifts, Gifts](https://i.pinimg.com/736x/5c/bb/b3/5cbbb3eddbf90a3b44659f92d1f7f394--the-thinker-life-science.jpg)
Astronomical ring dial from hemisferium ICA. Adjustable for latitude and time of year till time like it's 1565 and find your … | Great gifts, Corporate gifts, Gifts
![Astronomical Finger Ring, Gemma's Retro Vintage Globe Universe Ball Ring, Armillary Sphere Ring, Unfold to Change into Cosmic Ball, Creative Gift for Couple Lovers for Mom - Walmart.com Astronomical Finger Ring, Gemma's Retro Vintage Globe Universe Ball Ring, Armillary Sphere Ring, Unfold to Change into Cosmic Ball, Creative Gift for Couple Lovers for Mom - Walmart.com](https://i5.walmartimages.com/asr/f709453f-d611-44df-a128-81178ea92597.27273d1bfa199a3756faacc19e4e045a.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)