Summary

Spirella Catalogue (1933) — Page 132 (1933)

The comparatively long length in these garments from waist to top at over bust with the shorter measurement at centre front is necessary to preserve the function of the design. In deciding on the correct waist to top (over bust) measurement for your client's needs take into consideration the relative heights of the garment at centre front and under arm. The long waist to top measurement can be worn in these designs because of the shaped line around the top.
7.
The under bust measurement can not be specialized.
Source: Wikisource

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