truly thanks for your equally important & interesting details !
Additional en face view of Klings's tourbillon for Lottermann:
,
... and very exciting table clock in glass case with one-minute flying tourbillon escapement made by C. Klings (also signed by a Lottermann):
PS. Very interesting essay about "Desmodromic Escapement" was published in "Armband Uhren" 6/2004 (October-November), pp. 130-132 (in German language).
All best regards
otho