Google Translate says:
Strasßburg fracture
is the third official after Johann Friedrich Kiechels textbook "The teutsche Kurrent - firm and Fraktur font in a theoretical and practical guide to the use of schools and private lessons" from 1788, that on 30 copper embroidery panels that of Hogo Henry Cöntgen the Scriptures were stung not only presents but also accurately shows how this is written.
In the Strasbourg fracture so it is not a fracture Druckschruift, but it has a hand-written character.
A special feature of this publication is the round r, a second version of the small r, but is not followed such a strict rule as to be found in all other fracture writings round and long, see The Round R enstand originally by in letter OR combination was omitted from the R of the vertical line, thus resulting in a more uniform typeface. Later this letter was then placed mainly to letters that have left an arc, so in addition to o and b, d, h and p, as well as alternative spelling in a double r.
Since this letter of the score for African trio et was not unlike the round r was also used for this purpose and has been held in the abbreviation for "et hawking" in Gothic script as "rc".. Also, you can find it in viwelen script fonts such as in my Discipuli Britannica I have therefore also to put the & in the magazine added, even though it actually has a Unicode position.