ir. Desk. Normal 17i 30i Normal Lid, 26 20 0 X Adults Grammar, 29| 24 16 17 1 X 28| 24 15f 14 to 18 16 2 X 141 26| 15 24 12 to 16 3 X 13i 24 24f 15 4 10 to 14 X 26i Intermed., 13 21 12 to 16 3 X 13| 24f 13 X 21 4 10 to 14 X 21 12 13 5 23 8 to 12 21i 13 X 21 11 6 6 to 10 13: 24| 12 X 18 Primary' , 4…
Schools -- Furniture, equipment, etc. · Teaching Aids and devices
Internet Archive · Winterthur Museum Library · Public domain (published before 1931). Free to use for anything.