@SFOMuseum Instagram Posts This is SFO Museum's archive of the @SFOMuseum Instagram account. from June 14, 2012 There are 2 posts .
c.1920s Willcox & Gibbs single thread, chain stitch sewing machine w/electric motor
This image was posted on June 14, 2012.
Powell & Leland's Model No.1, introduced in 1841, is considered one of the great masterpieces in the history of microscopy!
This image was posted on June 14, 2012.

