From Kitāb al-jāmiʿ bayn al-ʿilm wa-al-ʿamal al-nāfiʿ fī ṣināʿat al-ḥiyal, Staatsbibliothek Ms or Fol 3306 (ca. 17th century).

Source: Islamic Scientific Manuscripts Initiative

https://pdimagearchive.org/images/484558fd-ebc3-438b-822b-deb3cf98be5c

#charts #diagrams #schematics #machinery #pulleys #arabic #engineering #machines #art #publicdomain

From Kitāb al-jāmiʿ bayn al-ʿilm wa-al-ʿamal al-nāfiʿ fī ṣināʿat al-ḥiyal, Staatsbibliothek Ms or Fol 3306 (ca. 17th century).

Source: Islamic Scientific Manuscripts Initiative

https://pdimagearchive.org/images/5545559c-655a-45a0-ac91-ba729237a8b6

#charts #diagrams #schematics #machinery #pulleys #arabic #engineering #machines #hydraulics #art #publicdomain

Though often overlooked, balcony door bearings, rollers, and pulleys are the core components that ensure your sliding balcony door functions reliably and smoothly. Read more : https://meta-hardware.blogspot.com/2025/05/smooth-secure-understanding-balcony.html #balconydoorbearings #rollers #pulleys #meta-hardware

Marionette 3D Printer Replaces Linear Rails With String https://hackaday.com/2023/10/08/marionette-3d-printer-replaces-linear-rails-with-string/ #3dPrinterhacks #cablemechanism #pulleys #reprap