Poul Henningsen, a 1930's components for 'PH Septima 5' pendant light for Louis Poulsen, Denmark.
The shades have alternating clear and frosted fields. The shades are numbered.
Shade 00, diameter 50 cm.
Shade 00, diameter 27 cm.
Shade 01, diameter 48 cm.
Shade 02, diameter 39.5 cm.
Shade 03, diameter 31 cm.
Shade 05, diameter 16 cm.
Shade 06, diameter 8.5 cm.
Stamped PH SEPTIMA PATENTED.
Sold as spare parts and disassembled. Later power cord. Missing metal rod and a part inside. Shade 02, glued and damaged. All shades with major and minor chips. One shade missing. Manufacturing related bubbles in glass mass. Electrical function not tested.
https://kohteet.visitsalo.fi/syvahuokon-funkistalo/
Free tranlation: One of the most unique architectural sites in Salo is Syvähuoko, a functional house on Mököistenmäki and along the Vähäjoki River. The earliest functionalist house in Salo, completed in 1934, was built by Jalmari and Selma Syvähuoko and designed by architect Eero Seppälä. The ceiling lamp was purchased for the newly built house in 1934.