![Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales](https://images.squarespace-cdn.com/content/v1/60185ff470e83e7b6df2c3d7/1616920280360-KY45AV3PGB3TSCI4PDVF/rdp_0468-013_DSC07043.jpg)
Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales
![Instruments de precision. Ancienne maison Richard freres Jules RichardÂ… Catalogue d'electricite' de Anonimo: (1894) | Coenobium Libreria antiquaria Instruments de precision. Ancienne maison Richard freres Jules RichardÂ… Catalogue d'electricite' de Anonimo: (1894) | Coenobium Libreria antiquaria](https://pictures.abebooks.com/inventory/30182992325.jpg)
Instruments de precision. Ancienne maison Richard freres Jules RichardÂ… Catalogue d'electricite' de Anonimo: (1894) | Coenobium Libreria antiquaria
![Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales](https://images.squarespace-cdn.com/content/v1/60185ff470e83e7b6df2c3d7/1616920137883-K83DKGPRRFCKKI8R79NB/rdp_0468-002_DSC07033.jpg)
Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales
![Humidity recorder by Jules Richard Instruments(of which the drum does not rotate) with key and spare charts | Science Museum Group Collection Humidity recorder by Jules Richard Instruments(of which the drum does not rotate) with key and spare charts | Science Museum Group Collection](https://coimages.sciencemuseumgroup.org.uk/images/341/503/medium_SMG00081693.jpg)
Humidity recorder by Jules Richard Instruments(of which the drum does not rotate) with key and spare charts | Science Museum Group Collection
![Jules Richard Instruments 1924 Catalog : Enregistreurs Richard : Free Download, Borrow, and Streaming : Internet Archive Jules Richard Instruments 1924 Catalog : Enregistreurs Richard : Free Download, Borrow, and Streaming : Internet Archive](https://archive.org/services/img/richard_1924/full/pct:200/0/default.jpg)
Jules Richard Instruments 1924 Catalog : Enregistreurs Richard : Free Download, Borrow, and Streaming : Internet Archive
Jules Richard Instruments 1924 Catalog : Enregistreurs Richard : Free Download, Borrow, and Streaming : Internet Archive
![Recent Acquisitions: Richard Verascope & Taxiphote - Museum of the History of Science : Museum of the History of Science Recent Acquisitions: Richard Verascope & Taxiphote - Museum of the History of Science : Museum of the History of Science](http://www.mhs.ox.ac.uk/sphaera/issue9/pic6.gif)
Recent Acquisitions: Richard Verascope & Taxiphote - Museum of the History of Science : Museum of the History of Science
![Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales](https://images.squarespace-cdn.com/content/v1/60185ff470e83e7b6df2c3d7/1616920131233-A4WIUNLR8IM4AVK9MC89/rdp_0468-001_DSC07032.jpg)
Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales
![Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales Hygrometer Jules Richard & Pékly — Robert's collection of antique scientific instruments, curiosa and scales](https://images.squarespace-cdn.com/content/v1/60185ff470e83e7b6df2c3d7/1616920160071-XBI6Z81OJIP9YT1WUN8M/rdp_0468-004_DSC07040.jpg)