Mine Pumping in Agricola's Time and Later Mine Pumping in Agricola's Time and Later by Robert P. Multhauf Download Read more
The Introduction of Self-Registering Meteorological Instruments The Introduction of Self-Registering Meteorological Instruments by Robert P. Multhauf Download Read more
Development of Gravity Pendulums in the 19th Century Development of Gravity Pendulums in the 19th Century by Victor Fritz Lenzen Download Read more
