What's a Cross Staff?
The Term Jacob's Staff Is Used to Refer to Several Things, Also Known as Cross-Staff, a Ballastella, a Fore-Staff, a Ballestilla, or a Balestilha. What Does a...
The term Jacob's staff is used to refer to several things, also known as cross-staff, a ballastella, a fore-staff, a ballestilla, or a balestilha.
What does a cross staff do?
The cross-staff is an instrument used to measure angles and altitudes, consisting of a trigonometrically graduated staff and one or more perpendicular vanes moving over it.
What are the types of Cross staff?
There are three types of cross staff as given below;
- Open Cross Staff.
- French Cross Staff.
- Adjustable Cross Staff.
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