Vintage Organic Chemistry Vintage HGS Molecular Models , Pat.no. 775872

Pat. no. 775872 USAP no. 654042 Benjamin/ Maruzen Original owner's collection. Used for Organic Chemistry in the 80's. Helps visualize molecules in 3 d. See photos (of the pieces and how many of each piece). Case is slightly scratched (see photos) Home School Study Aid Model Chemistry Educational Learning STEM Tutor Please view my other listings. Bundle and save. New to Poshmark? Get $10 USD poshmark credit when you sign up for POSHMARK and use code: 2011quilter Reduce, Reuse, Recycle Questions? Leave a comment below!