An essay of the great effects of even languid and unheeded motion. : Whereunto is annexed an experimental discourse of some little observed causes of the insalubrity and salubrity of the air and its effects. By the Honourable Robert Boyle, Fellow of the Royal Society.

London : Sold by Sam. Smith at the Prince's Arms in St. Paul's Church-Yard, 1690.

[8], 123, [5]; [8], 76, 51-113, [1], 129-158, [2] p. ; (8vo)

"An experimental discourse of some unheeded causes of the insalubrity and salubrity of the air" has separate dated title page, pagination, and register.

Part 2 includes "A short supplement to the essay of the great effects of even languid and unheeded local motion" (p. 129-149).

The last leaf is blank.

Signatures: A⁴ B-I⁸ ²A⁴ ²B-F⁸ ³E-H⁸ ³I² ³K-L⁸. [-I7,I8,²F7,²F8,³E1,³G⁸]

Leaf ³E1 is cancelled by quires ²E-F; leaf ³G8 is cancelled by quires ³H-L.

A reissue of the 1685 edition, with cancel title page and sub-title page.

Part 2 identified as Wing B3963 on UMI microfilm "Early English books, 1641-1700" reel 1303. Filming stops at p. 113.

Wing, D.G. Short-title catalogue of books printed in England, Scotland, Ireland, Wales, and British America, and of English books printed in other countries, 1641-1700 (2nd ed.), B3950
English short title catalogue (ESTC), R11210

Great Britain -- England -- London.

B3950

141021. T.p. for part 2, a cancel, misbound before first A1; cancelland t.p. for part 2, dated 1685, misbound with second A2-4 (preface) after first A4; 2nd gathering F has: F2 misbound after F3; F4 misbound after F5; quire K consists of 2 sheets at one time pasted together, each sheet printed on one side only