Abraham de Ryck ( - )
![](https://dwc.knaw.nl/DL/images_persons/PE00011120.jpg)
Gender: male
Biography:
De ryck was mathematical instrument maker in Leiden, around 1660. His name appears in the Leiden Archive, but as far as we know there are no signed instruments of him preserved.
Occupations:
Instrument maker: ~1660 (Leiden)
Sources:
Rooseboom, M. Bijdrage tot de geschiedenis der instrumentmakerskunst in de noordelijke Nederlanden (Leiden 1950).