Looking Downward I really like the porcelain guides for the silk threads, probably used because they could be polished for perfect, persistent, smoothness. Related Similar Images ...based on the tags: machinery, spools... On the upper floors where the sunlight is yellow–the color of flour dust, once exposed to the elements. Looking at the side of 4B from the roof of its car shed. The porcelain hoops guided the silk threads through the device. The end of the monorail in the nitrating house. A wonderful porcelain drinking fountain on the first floor. Note how it’s wrapped. Made by the Mergenthalen Linotype Company of New York, this model series (300) was introduced in 1960 and boasted a 12-line-per-minute reproduction rate. SWP4-A on the left and Viterra C on the right in a 90-degree panorama. A huge steam pipe snakes between catwalks, through the floors, and toward the condensers, so the water could be recovered and reused. Light-painted to show off the beautiful radar equipment inside and Park Point across the bay.