1950s Mining Explosion-Proof Lamp Raw

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1950s Mining Explosion-Proof Lamp Raw

About the Item

Primary Use Mining explosion-proof luminaries for flameproof construction. Explosion-proof luminaries were designed to illuminate gas decks of methane gas mines and other surfaces and rooms with a risk of explosion " B "1" C "with a concentration of methane not exceeding 2%. The covers were produced in accordance with the polish standards valid at that time and were certified by The Central Mining Institute of the Experimental Mine, Barbara". According to PN (Polish Norm), the covers were subjected to tests for the strength of static water pressure of 10 atmospheres in 1 minute. The lamp had a degree of protection against electric shock "I", the degree of protection against the ingress of foreign bodies and water "IP 65". Producer: Robotnicza Spóldzielnia Sprzetu Oswietleniowego "Energetyka" in Sopot Time period: 1950s Construction The lamp body is made of pressure cast aluminum, the diffuser is made of transparent tempered glass secured with a steel wire mesh mounted on an aluminum ring with a hinge. The flameproof frame is made of porcelain. The bulb is E27 thread. The cover is equipped with socket chokes allowing the introduction of electric wires, adapted to hang on hooks. Final power supply. Maximum bulb power: 100 W. Warning The pictures of the product show an example copy. Items from a given category have different marks of use, the so called "patina of time" and visually differ in their appearance. While executing the order, we choose a purchased item randomly.

Dimensions:
Height: 12.21 in (31 cm)Diameter: 8.27 in (21 cm)
Style:
Industrial (Of the Period)
Materials and Techniques:
Aluminum,Glass,Cast,Tempered
Place of Origin:
Poland
Period:
Mid-20th Century
Date of Manufacture:
1950s
Condition:
The offered lamp is a 'vintage' version that retains the original patina of time (varnish, rust, scratches, discoloration and other signs of use). The cover is cleaned, the electrical installation is exchanged based on certified materials.
Seller Location:
Warsaw, PL
Reference Number:
1stDibs: LU3861311337591