TY - BOOK ID - 60995499 TI - Weighing imponderables and other quantitative science around 1800 PY - 1993 SN - 0918102170 PB - Princeton University of California Pres DB - UniCat KW - Science KW - History KW - 19th century UR - https://www.unicat.be/uniCat?func=search&query=sysid:60995499 AB - ER -