Manufacture of strings and catgut

Manufacturing by white-collar men and women of strings and catgut (=medical suturing material for operations) at the N.V. Eerste Nederlandsche Snaaren en Catgutfabriek-Hakkert in Rotterdam. The following are dealt with in succession: processing the base material, i.e. sheep intestines, which are cleaned and checked for porosity and split; removing any traces of fat from the intestines; twisting in…