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"Schultze" was a 14 grain/dram bulk powder, so 35 grain = 2 1/2 dram.
I don't know the years that the load was marked on German guns.

Under the 1896 British Supplementary Nitro Proof Rules, barrels proved with Nitro powder were to be marked indicating the powder and the maximum service charge in grains
1896 Lancaster
“E.C.” (No. 1) 42 grains = 3 Dram with MAXm. 1 1/8 oz. shot



Belgian guns were so marked 1897-1903.
12g with 65mm chambers S. Bougnet for William Read & the U.S. market.
1 1/8 oz. shot with “E.C. No. 3”, a 33 grains bulk smokeless powder = 3 Dr. Eq.