Quote Originally Posted by DCL_dave View Post
A somewhat bold statement it may be but here goes...I think most* of the European Gem patterns were made by one of three manufacturers - Eisenwerk Gaggenau, Langanhan or Jean Marck.

I seem to remember some Bergman marked Gem patterns too (were these likely to have been made by EG though?)

....and the mysterious Harpoon trademark...was that something to do with Bergman too?

MGR/Diana Gems bare an uncanny resemblance to LZ/FLZ Gems...both Diana 3L types (T-bar and dolls head) and Diana 6 share so many similarities with the Langanhan Gem patterns in there overall shape and design...

Sorry, my knowledge on this subject is so random and scattered that it is difficult to make sense of it, I rarely write anything down always relying on my memory...and have forgotten lots in the few short years I have been away...I wonder if this info is still relevant?



*obviously not all!
I tend to agree with the above.
There are a few German sites about Eisenwerke Gaggenau and it is interesting to notice the change in the name of the factory:


1873 Michael Flürscheim und Franz Korwan kaufen am 1. Februar das Eisenwerk von Ludwig Klehe

Firmenname: „Korwan und Flürscheim Eisenwerke Gaggenau bei Rastatt“ (vormals Louis Görger)


Do you remeber where the Diana (Mayer und Grammelspacher) factory was located? in Rastatt!
It seems very likely MGR bought the forged/cast parts from EG in rough form to create their own GEM?
A few years later the EG factory got a new name:

1880 Theodor Bergmann, ein Herdfabrikant aus Konstanz, tritt in die Firma ein.

Emailierwerk, Stanzerei, Vernickelungsanstalt, Buchdruckerei, Schreinerei und Kunstgießerei werden eingerichtet. Neues Produkt: Badenia-Fahrräder

150 Mitarbeiter

1884 Bergmann wird Teilhaber. Firmenname: „Eisenwerke Gaggenau, Flürscheim und Bergmann“


So there is the connection with the Bergmann marked GEM's.

The Jean Marck GEM's are different in construction and (in my opinion) made by a Belgium? factory.

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Frank