34
votes
Accepted
Were postal pneumatic tubes in Berlin (Rohrpost) cleared with wine?
Landrath, "Die Rohrpost-Anlage in Berlin und Charlottenburg." Archiv für Post und Telegraphie , Vol. 16, No. 12, Jun. 1888, pp. 354-369 describes, among other items, the initial version of ...
- 456
34
votes
Were postal pneumatic tubes in Berlin (Rohrpost) cleared with wine?
Annual report of the Postmaster General, 1891 is as close to a primary source as I could find:
In working the line of Berlin tubes a number of defects became apparent in course of time, caused partly ...
- 30.7k
13
votes
Accepted
Would US president Theodore Roosevelt refer to his political enemies as "vermin"?
Google Books is too limited for me to get the full context, but this is what I have, evidently from a letter he wrote in 1900. From The years of preparation, 1868-1900 - Page 1356:
…which will help ...
- 30.7k
3
votes
Did Malian sailors reach the Americas in 1311 CE?
I don't have a copy of al-'Umari's Arabic text, but I do have an English translation of it, it is in Corpus of Early Arabic Sources of West African History edited by N. Levtzion & J.F.P. Hopkins, ...
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