Andere Kunden interessierten sich auch für
![New Route From Great Britain to Australia via Canada [microform]: in Connection With the Canadian Pacific Railway and New Zealand and Australasian Ste]( "New Route From Great Britain to Australia via Canada [microform]: in Connection With the Canadian Pacific Railway and New Zealand and Australasian Ste")
New Route From Great Britain to Australia via Canada [microform]: in Connection With the Canadian Pacific Railway and New Zealand and Australasian Ste15,99 €![The Gairdner & Harrison Prospector's Guide: Map and Pamphlet to the Omenica, Cassier, Liard, Klondyke and Yukon Gold Fields via the Edmonton Route]( "The Gairdner & Harrison Prospector's Guide: Map and Pamphlet to the Omenica, Cassier, Liard, Klondyke and Yukon Gold Fields via the Edmonton Route")
The Gairdner & Harrison Prospector's Guide: Map and Pamphlet to the Omenica, Cassier, Liard, Klondyke and Yukon Gold Fields via the Edmonton Route15,99 €![Report on the Most Eligible Route for a Canal Between Lake Simcoe and the Rice Lake [microform]: and Lake Simcoe and Georgian Bay, to the Bay of Quint]( "Report on the Most Eligible Route for a Canal Between Lake Simcoe and the Rice Lake [microform]: and Lake Simcoe and Georgian Bay, to the Bay of Quint")
Report on the Most Eligible Route for a Canal Between Lake Simcoe and the Rice Lake [microform]: and Lake Simcoe and Georgian Bay, to the Bay of Quint18,99 €![Report of Thomas C. Keefer, Esq., C.E. of Survey of Georgian Bay Canal Route to Lake Ontario [microform]: by Way of Lake Scugog; Accompanied With Maps]( "Report of Thomas C. Keefer, Esq., C.E. of Survey of Georgian Bay Canal Route to Lake Ontario [microform]: by Way of Lake Scugog; Accompanied With Maps")
Report of Thomas C. Keefer, Esq., C.E. of Survey of Georgian Bay Canal Route to Lake Ontario [microform]: by Way of Lake Scugog; Accompanied With Maps15,99 €![The Physical Features and Geology of the Route of the Proposed Ottawa Canal Between the St. Lawrence River and Lake Huron [microform]]( "The Physical Features and Geology of the Route of the Proposed Ottawa Canal Between the St. Lawrence River and Lake Huron [microform]")
The Physical Features and Geology of the Route of the Proposed Ottawa Canal Between the St. Lawrence River and Lake Huron [microform]15,99 €![Report on the Most Eligible Route for a Canal Between Lake Simcoe and the Rice Lake [microform]: and on the Practicality and Expense of Connecting The]( "Report on the Most Eligible Route for a Canal Between Lake Simcoe and the Rice Lake [microform]: and on the Practicality and Expense of Connecting The")
Report on the Most Eligible Route for a Canal Between Lake Simcoe and the Rice Lake [microform]: and on the Practicality and Expense of Connecting The15,99 €![Rough Notes of an Exploration for an Inter-oceanic Canal Route by Way of the Rivers Atrato and San Juan, in New Granada, South America]( "Rough Notes of an Exploration for an Inter-oceanic Canal Route by Way of the Rivers Atrato and San Juan, in New Granada, South America")
Rough Notes of an Exploration for an Inter-oceanic Canal Route by Way of the Rivers Atrato and San Juan, in New Granada, South America21,99 €
![New Route From Great Britain to Australia via Canada [microform]: in Connection With the Canadian Pacific Railway and New Zealand and Australasian Ste](https://bilder.buecher.de/produkte/66/66186/66186573m.jpg "New Route From Great Britain to Australia via Canada [microform]: in Connection With the Canadian Pacific Railway and New Zealand and Australasian Ste")
![Report on the Most Eligible Route for a Canal Between Lake Simcoe and the Rice Lake [microform]: and Lake Simcoe and Georgian Bay, to the Bay of Quint](https://bilder.buecher.de/produkte/65/65589/65589620m.jpg "Report on the Most Eligible Route for a Canal Between Lake Simcoe and the Rice Lake [microform]: and Lake Simcoe and Georgian Bay, to the Bay of Quint")
![Report of Thomas C. Keefer, Esq., C.E. of Survey of Georgian Bay Canal Route to Lake Ontario [microform]: by Way of Lake Scugog; Accompanied With Maps](https://bilder.buecher.de/produkte/66/66142/66142658m.jpg "Report of Thomas C. Keefer, Esq., C.E. of Survey of Georgian Bay Canal Route to Lake Ontario [microform]: by Way of Lake Scugog; Accompanied With Maps")
![The Physical Features and Geology of the Route of the Proposed Ottawa Canal Between the St. Lawrence River and Lake Huron [microform]](https://bilder.buecher.de/produkte/65/65562/65562404m.jpg "The Physical Features and Geology of the Route of the Proposed Ottawa Canal Between the St. Lawrence River and Lake Huron [microform]")
![Report on the Most Eligible Route for a Canal Between Lake Simcoe and the Rice Lake [microform]: and on the Practicality and Expense of Connecting The](https://bilder.buecher.de/produkte/65/65516/65516006m.jpg "Report on the Most Eligible Route for a Canal Between Lake Simcoe and the Rice Lake [microform]: and on the Practicality and Expense of Connecting The")
After the telescope became known in 1608-1609, a number of people in widely separate locations claimed that they had such a device long before the announcement came from The Hague; in the summer of 1608, no one had a telescope, in the summer of 1609, everyone had one. For a number of years author Rolf Willach has quietly tested early spectacle lenses in museums and private collections, and now he reports on this study, which gives an entirely new explanation of the invention of the telescope and solves the conundrum mentioned above. Willach is an optical engineer and independent scholar who worked for several years at the Inst. of Astronomy in Bern. He has written extensively on the history of the development of optics and the telescope. Illus.
Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.
Hinweis: Dieser Artikel kann nur an eine deutsche Lieferadresse ausgeliefert werden.