The Hartlib Papers

Title:Copy Letter On Becher'S Inventions In Hand H, ? To ?, In Latin & English
Dating:13 March 1660
Ref:8/41A-B: 41B BLANK
[8/41A]

        Paris   March. the 13. 1660.
- I receaved 2. or 3. dayes since a Letter from Monsieur Becher dated at spire, swelled with two great papers, containing two printed figures, whereof one hath this Title, Affirmativa resolutio et explicatio gravissimæ qvæstionis, An duo pondera diversæ gravitatis, in ullo genere libræ, sic disponi possint, ut minùs grave prævaleat graviori et præponderando minùs descendat, qvàm gravius ascenderit. Which question being affirmed by him, is the maine principle & basis, I thinke, of his machine, we saw at Maintz. The other hath the draught of of his Horologium, taken in pieces, with this Title, (which I beleeve to bee the same, I sent you formerly [./.?] Inventum, qvô, dato Horologio decennali vel annuo, causam moventem, naturali principio motûs intrinsecè præditam, et siderum efficaciâ, ad universum hoc conservandum et vegetandum, progenitam, sinè rarefactionis vel condensationis interventu, in omnibus terræ partibus artificiosè applicare Inventor potest, ut ad ejus ponderis devolutionem, iterum iterumque revolvendam, semper sit sufficiens et valida, adeoque prædictum Horologium, qvoad durantem materiam, efficiatur mobile perpetuum Physico-Mechanicum. By which it appears, that this person hath joyned art & nature together; promising me in his Letter, that the Mathematicall demonstration & explication of these figures, being already vnder the presse, shall bee sent to mee as soon as it is finished; adding, that he hath been himselfe in Holland, not, ut campanulas canentes horologio suo applicandas confici curaret (as your extract from Mr Poleman of 6. Febr. 1660 did relate) but ut judicium et censuras virorum in ista scientia peritorum procuraret; which he saith to have obtained & brought with him to spire.   He goeth on thus in his Letter: Inventio mea Nautica ut indies magis perficitur, ita petit promotores, ut et suo inventori et suo Mecænati prosit, qvi, si adsint, non deerunt [Flacce,?] Marones; praxin enim ad me recipio. Sunt præ manibus hydraulica qvædam opera, qvorum effectu ingens aqvæ qvantitas levi potentiâ elevare potest: reliqvum qvod superest temporis, in otio Medico et Chymico insumo, ubi rara, nova, utilia, tracto: Nec sum incommunicabilis, qvadam enim, si Deo placet, luci exponam. He addeth further: Novum et gratissimum, qvod ex literis tuis percepi, est Angliæ institutum, qvô Liberales scientiæ mirabili dexteritate cumulabuntur, modò idem eis semper stet animus, et nobis illi, ut nos illis, dent fidem. Qvantum in me est, si qvid in bonum Reipubl. Anglicanæ præstare potero, modò acceptus sim, et salario ac vocatione stipatus, non renuo in medium prodire. so farr he.