Shape: Research Update
Contributor: Sid Lethbridge
Shape: Photo Needed
Contributor:
C.D. (OMN) by Richards & Hartley Glass Company (Pittsburgh/Tarentum-PA, Co. Operated: 1865-91), c1870s Introduced
• AKA: Honeycomb with Flat Prism (Millard)
Shape: Research Update
Contributor: Sid Lethbridge
Shape: Photo Needed
Contributor:
• AKA: Honeycomb with Flat Prism (Millard)
AKA Honeycomb with Flat Prism (Millard 2, plate 129)
Shape: Research Update
Contributor: Sid Lethbridge
Shape: Photo Needed
Contributor: