Georgian Textiles

I am working on a new project inspired by the 1762 portrait of Queen Charlotte of Mecklenburg-Strelitz.

I am wondering if you all have resources and information on what she is wearing in this portrait, such as: - Lace type (Bobbin?) -Embroidery - Purpose of pearl bows on shoulders (to hold up the ermine cape?) -Any details on the gown other than what I already listed

I am struggling to find good sources on the fashion of Queen Charlotte. Thanks for your assistance, kind folks.