# Front Matter

**Author(s):** Anonymous  
**Year:** 1669  
**Journal:** Philosophical Transactions (1665-1678)  
**Volume:** 4  
**Pages:** 5 pages  
**Identifier:** jstor-100983  
**JSTOR URL:** <https://www.jstor.org/stable/100983>  

---

The only official reprint
authorized by
The Royal Society of London
PHILOSOPHICAL Transactions:
GIVING SOME ACCOMPT OF THE Present Undertakings, Studies and Labours OF THE INGENIOUS IN MANY CONSIDERABLE PARTS OF THE WORLD.

VOL. IV.
For Anno 1669.

LONDON
Printed by T. N. for John Martyn at the Bell, a little without Temple-Bar, Printer to the Royal Society, 1670.