De sectore & radio. : The description and vse of the sector in three bookes. The description and vse of the crosse-staffe in other three bookes. For such as are studious of mathematicall practise.

De sectore & radio. : The description and vse of the sector in three bookes. The description and vse of the crosse-staffe in other three bookes. For such as are studious of mathematicall practise.

London : Printed by William Iones. [sic] and are to be sold by Iohn Tap at Saint Magnus corner, 1623.

[4], 143, [1], 216 p. : diagrams ; 18 cm (4to)

One of several states of the first edition. This begins with pi².

"The first booke of the crosse-staffe" (caption title) has separate pagination and register.

Signatures: pi² B-T⁴ a-2d⁴.

C copy may have additional leaf or leaves signed with signature 'A' -- STC.
Verify presence of engr. title page

Pollard, A.W. Short-title catalogue of books printed in England, Scotland, & Ireland and of English books printed abroad, 1475-1640 (2nd ed.) (STC), 12521.5
English short title catalogue (ESTC), S92789

Great Britain -- England -- London.

STC 12521.5

Imperfect: wanting frontis. and leaves Q1,2; without an engr. t.p. Plus t.p. from STC 12521 bound as internal title to 'The first booke of the sector'. Cropped at head, affecting running titles. Manuscript notes; notes on back fly-leaf begin: 'Remarks upon Sutton's Quadrant'. Provenance: Harmsworth copy

HH101/34

STC 12520.2