{"product_id":"linear-photometer-qty-1","title":"Linear photometer Qty 1","description":"\u003cp class=\"p1\"\u003e\u003cmeta charset=\"utf-8\"\u003eGamma Scientific Model 721 linear photometer, a precision instrument designed to measure light intensity and brightness levels with high accuracy. Manufactured by Gamma Scientific Incorporated, the unit was used in laboratories, photographic studios and industrial research environments for calibration of lighting, optical equipment and display systems. Housed in a portable case with probe and analogue meter, it reflects professional optical testing practice prior to digital light meters and computerised measurement systems; 1960s–1970s.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eW40 x D23 x H16 cm.\u003c\/p\u003e\n\u003cp class=\"p1\"\u003eReplacement value £400\u003c\/p\u003e","brand":"Gamma Scientific","offers":[{"title":"Default Title","offer_id":53102960935251,"sku":"LIN-722","price":40.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1012\/8674\/0307\/files\/Industrial_powerhouse_props_prop_rental_hire_vintage_movie_film_set_dec_linear_photometer_electrical_scientific.jpg?v=1771947567","url":"https:\/\/powerhouseprops.co.uk\/products\/linear-photometer-qty-1","provider":"Powerhouse Props","version":"1.0","type":"link"}