{"product_id":"vintage-borozin-a-c-gun-air-current-smoke-tester-kit-e-wood-box","title":"E. Vernon Hill Borozin A.C. Gun Smoke Kit Air Current Tester Vintage Wood Box","description":"\u003cp\u003eBefore digital airflow meters, technicians used a smoke gun to see which way air was moving. A squeeze of the bulb sends out a puff of dense white powder 'smoke' that shows drafts, ventilation patterns and air currents. This is the Borozin A.C. Gun kit, labeled E. Vernon Hill \u0026amp; Co., and it would suit collectors of HVAC, laboratory and scientific instruments or anyone who likes a curious piece of workshop history on a shelf.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe kit comes in its original fitted wooden box with box-jointed corners, metal hinges and a latch.\u003c\/li\u003e\n\u003cli\u003eInside are the chrome-plated barrel with knurled caps and thumb screw, the red rubber squeeze bulb, a glass jar of A.C. Gun powder labeled 'Borozin or Zinc Stearate' with a black screw lid, a paper refill packet, and the printed 'The Borozin A.C. Gun' instruction card in the lid.\u003c\/li\u003e\n\u003cli\u003eThe card carries a pasted-on E. Vernon Hill \u0026amp; Co., Lake Geneva, Wis. label.\u003c\/li\u003e\n\u003cli\u003eWeight is about 1.4 lb.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Good, with light toning to the instruction card, some loose powder dust around the contents, and oxidation on the latch and hinge hardware. No cracks, chips or breaks seen on the box, barrel or jar — see photos.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e Smoke function not tested.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eThe photos are part of the description. Packed with care and shipped promptly!\u003c\/em\u003e\u003c\/p\u003e","brand":"E. Vernon Hill \u0026 Co","offers":[{"title":"Default Title","offer_id":51070684987649,"sku":"EI-195-20158455","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/4571\/4945\/files\/mwgfohis-1.jpg?v=1794662468","url":"https:\/\/bigfoottradingco.com\/products\/vintage-borozin-a-c-gun-air-current-smoke-tester-kit-e-wood-box","provider":"Bigfoot Trading Co","version":"1.0","type":"link"}