RA Collection: People and Organisations
Born: 1629
Died: 1701
Gender: Male
Cornelis Jansz Mejjer
Room with space for many goods, 1696
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Cornelis Jansz Mejjer
Another way of raising sunken boats and recovering their cargo, 1696
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Cornelis Jansz Mejjer
Another way of raising sunken boats, 1696
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Cornelis Jansz Mejjer
Way of raising sunken buildings, and the evidence that the author saw of this in Civitavecchia, 1696
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Cornelis Jansz Mejjer
Way of launching vessels at Fiumicino, with other functions of the port, 1696
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Cornelis Jansz Mejjer
Means of allowing boats to pass through shallow water, 1696
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Cornelis Jansz Mejjer
Means of allowing boats to pass through shallow water, 1696
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Cornelis Jansz Mejjer
Port of Ostia, 1696
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Cornelis Jansz Mejjer
Device allowing a single man to transfer wine barrels from one boat to another, 1696
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Cornelis Jansz Mejjer
Means of preventing the flooding of Rome, 1696
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Cornelis Jansz Mejjer
Structure for removing soil from the bed of the river Tiber, 1696
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Cornelis Jansz Mejjer
Ancient wall beneath the bed of the Tiber, 1696
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Cornelis Jansz Mejjer
The author's invention to prevent the river Tiber erroding the Via Flaminia, near Rome, 1696
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Cornelis Jansz Mejjer
Machines for deepening waterways, 1696
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Cornelis Jansz Mejjer
Machines for deepening waterways, 1696
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Cornelis Jansz Mejjer
Ponte Molle, near Rome, 1696
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Cornelis Jansz Mejjer
Erosion caused by the Tiber near Ponte Felice, 1696
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Cornelis Jansz Mejjer
Devices for sinking pilotis into the ground, 1696
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Cornelis Jansz Mejjer
Mill for carrying boats across bridges, 1696
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Cornelis Jansz Mejjer
Device for guiding boats along river, 1696
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Cornelis Jansz Mejjer
Bridge with removable sections for the passage of boats, 1696
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Cornelis Jansz Mejjer
Piledriving machine, 1696
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Cornelis Jansz Mejjer
Method for reinforcing eroded riverbanks, 1696
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Cornelis Jansz Mejjer
Method for diverting rivers, 1696
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Cornelis Jansz Mejjer
Constructions for diverting flow of water, and reducing erosion, 1696
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Cornelis Jansz Mejjer
Method of driving pilotis into the riverbed, 1696
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Cornelis Jansz Mejjer
Dimostratione delli cassoni per levare li Saffi dal letto del Fiume., 1696
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Cornelis Jansz Mejjer
Various inventions for working with cannons and rocks., 1696
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Cornelis Jansz Mejjer
Jetty erected on the Tiber in honour of Pope Urban VIII in 1696, 1696
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Cornelis Jansz Mejjer
Three plates illustrating Mejjer's 'passonata' or embankment solution to the Tiber flooding, proposed and executed under Pope Urban VIII., 1696
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Cornelis Jansz Mejjer
Three plates illustrating Mejjer's 'passonata' or embankment solution to the Tiber flooding, proposed and executed under Pope Urban VIII., 1696
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Cornelis Jansz Mejjer
Machines for raising stones from under the water, 1696
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Cornelis Jansz Mejjer
Method of bringing soft water for two miles to Civitavecchia, 1696
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Cornelis Jansz Mejjer
Source of the water brought to Rome by the author, 1696
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Cornelis Jansz Mejjer
Method for removing rocks from a riverbed, 1696
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Cornelis Jansz Mejjer
Device for transporting a boat across a bridge, as used in Amsterdam, 1696
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Cornelis Jansz Mejjer
Mills for conveying boats across bridges, and cutting marble and wood, 1696
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Cornelis Jansz Mejjer
Method of conveying boats over a waterfall, across a bridge powered by a water mill, 1696
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Cornelis Jansz Mejjer
Jetty components, 1696
Letterpress and engraving
Cornelis Jansz Mejjer
Method for restricting the flow of rivers to prevent them from flooding their banks, 1696
Letterpress and engraving
Cornelis Jansz Mejjer
Method of raising walls from a riverbed, 1696
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Cornelis Jansz Mejjer
Jetty erected by Cornelius Meijer where the current of the Tiber is at its strongest, 1696
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Cornelis Jansz Mejjer
Method of bringing soft water to Livorno, 1696
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Cornelis Jansz Mejjer
Machine for cleaning ports, which also acts as a fortress, 1696
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