Jones and Noequal cold storage doors : fireproof and non-fireproof ... (1913)
Jones Cold Door Co. · Jones Cold Door Co. · leaf 24
ld Storage Door is half way open, and will remain inthe same position, no matter how wide the door is swung open.AVhen closed the Cold Storage Door laps the lower edge of the trapdoor, holding it tight. The trap is fitted with gasket and is as airtight as the Cold Storage Door. Your special… … Fig. 12. Standard Track Door for overhead track or rail. When hirge door isopened or closed it automatically raises and lowers the small trap door whichcovers rail port or opening. No slidingor delicate parts to get out of order. upon track door with those of others, we ask that you take…
Refrigeration · Special function doors · Cold storage doors
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