Standard No. 201 showed a timber-frame horizontal sliding window. The casements
of the fixed panes are marked to be opened for cleaning only.^454 Standard No. 202
showed a steel-frame horizontal sliding window. The single-glazed window included
a combination of a circular tube profile, a semi-circular profile and rectangular profiles.
The tubular profiles slided one inside the other in a horizontal direction. Both the outer
and inner casements were movable. The panes were fixed with wooden casings. The
outer casement was marked yellow and the inner one red in the picture.^455 Standard No.
203 showed a timber-frame horizontal sliding window, with a fixed outer pane and a
movable inner pane. Standard No. 204 was an iron-framed horizontal sliding window
with tubular profiles at the top and the bottom that slided one inside the other. The
inner pane was movable and the outer one fixed.^456 Standard No. 205 was a four-pane
window, one of which was a vertically opening sash. The movable sash was flanked
by two upright frames made from round tubular profiles. The panes were fixed with
wooden casings.^457 Standard No. 206 was a steel-frame horizontal sliding window with
nested round tubular profiles at the top and the bottom.^458 One of the unnumbered and
undated window standards showed a four-pane steel window with two vertically open-
ing casements and upright frames of tubular profiles^459 and the other the mechanism
of the window.^460 These two pencil drawings were somewhat sketchy in comparison to
standards Nos. 201–206.
454 Drawing No. 50-169. AAM.
455 Drawing No. 50-170. AAM.
456 Drawing No. 50-172. AAM.
457 Drawing No. 50-173. AAM.
458 Drawing No. 50-174. AAM.
459 Drawing No. 50-165. AAM.
460 Drawing No. 50-168. AAM.Fig. 2.6a. Standard No. 202 by Alvar Aalto presents a horizontal sliding steel window. It was
dated September 2, 1930 and the texts were written in German. Drawing No. 50-170. AAM.