circumferentor


Also found in: Encyclopedia, Wikipedia.
Related to circumferentor: Surveyor's compass

circumferentor

(səˈkʌmfərəntə)
n
1. an instrument that measures the circumference of a tyre
2. (Surveying) an instrument used to record angles and bearings
Mentioned in ?
References in periodicals archive ?
Amongst the topics discussed are the advocacy by gunners for the instatement mathematical, instruments, and behaviors into the field of artillery; the British subjugation of Ireland as a trigger for instrumental use of rapid cadastral surveying by circumferentor and chain; the role of the military telegraph in the creation of the US National Weather Service; archaeological investigation of the 19th century US ordnance testing site, the Sandy Hook Proving Grounds; and comparative British and French attitudes towards scientific development of gyrocompasses during the period between World Wars I and II.
Surveying methods, using mainly chain and circumferentor, and Kater's compass, in comparison with today's, were primitive.
Acknowledging that "a land surveyor was only as good as his instruments," we are introduced to the uses and relative merits of a range of devices, from surveyor's chains and circumferentors to perambulators and theodolites.