Webster Signature Database - Suggest Correction

Make your correction to this entry in the form below.
Changes will be reviewed by a curator before being included in the database.
Please input your name and email address, so a curator can contact you if they have questions regarding your suggested correction. Entries without a name and email address may not be taken seriously unless they can be independently verified.

Signature	Maker	Instruments	Comments	Location	References
HEUBDER, PETRUS DE	Belgium, c.1625, MIM SIM	Circumferentor = PRA.	the instrument has a bail, and a foot for a plane table.	Antwerp.	Zinner 1; Horsky and Skopova; Czech. Inventory.
HEUBDER, PETRUS DE	Belgium, c.1625, MIM SIM	Circumferentor = PRA.	the instrument has a bail, and a foot for a plane table.	Antwerp.	Zinner 1; Horsky and Skopova; Czech. Inventory.

Name:
Institution:
E-mail address:
Explain your correction here:
To protect against spam entries, please type the sum of 5 and 2 into this box (i.e. the number between 6 and 8):