Between 1935 and 1938, the recently identified other sheep were not invited to the memorial. (and not just in France)
*** yb80 p. 85 France ***WHO SHALL PARTAKE?
The above was the subtitle in the April 1, 1938, French Watchtower. In that magazine the “other sheep,” then often referred to as “Jonadabs,” were directly invited to attend the Memorial, an invitation that had not been extended in previous years.
*** jv chap. 16 p. 243 Meetings for Worship, Instruction, and Encouragement ***
Particularly beginning in the 1930’s, prospective members of the “great multitude,” or “great crowd” of other sheep, began to manifest themselves. (Rev. 7:9, 10, KJ; John 10:16) These were at that time referred to as Jonadabs. For the first time, in its issue of February 15, 1938, The Watchtower specifically invited them to be present at the Memorial, saying: “After six p.m. on April 15 let each company of the anointed assemble and celebrate the Memorial, their companions the Jonadabs also being present.” They did attend, not as partakers, but as observers.