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Old illustration of a patent toilet from \
A closeup of a Telegraph machine with a white background
Close up image of an early oscillating motor, circa mid 1800s. Isolated on white with clipping path. High quality photo
closeup of a stirling engine construction with wooden table and black background
Unit control panel of electronic equipment, close-up
Western blot analysis use as protein analysis for protein detection. This technique use in medical or research laboratory. Also, the method detect HIV infection and cancer biology.
Close-up Copper wire in electric vehicle car engine
3D computer-rendered illustration of an antique mechanical water pump.
Refrigeration equipment radiator
Vintage illustration from a book of my private collection: \
In vitro bacterial culture
3D Rendering Illustration of a Steam Engine devised, built and perfected by Scottish inventor James Watt patented in 1769; based on the parallel motion of different metal components with wooden base.
A glue trap for long-tailed silverfish, is used to monitor the presence of these insects. The long-tailed silverfish (Ctenolepisma longicaudata, Zygentoma: Lepismatidae) has recently spread and proliferated across several European countries. While glue traps with cricket flour are effective for detecting their presence, they are not sufficient for controlling the infestation. These bugs have even invaded most Danish hospitals, creating concern due to their resilience and rapid spread.
Digitally restored from a late 19th Century encyclopedia.
Image of a black cylindrical trash can for outdoor use on a white background.
Electrolysis of water on wooden table in lab.
Vehicle Part
Photo of an early electrical motor magneto. Magnetos use magnets to generate electrical current. Isolated on white with clipping path. High quality photo
Vintage photograph of Metallurgy Hall at the  Exposition Universelle Paris, 1889, 19th Century
close up of a stirling engine construction with white table isolated on white background
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Experimental electric generator on white background, consists of copper coils and magnets. A generator is a device that converts mechanical energy to electrical energy for use in an external circuit.
Boat led lights circuit board corroded due to water penetration.
3D illustration of industrial building
Textile Factory Women Working Pattern Design on Vietnamese Currency
Digitally restored from a late 19th Century encyclopedia.
Old Little Music Box
3D rendering illustration of an Ancient Battery found in Baghdad in 1936; and composed of a 14 cm high terracotta container, a 9 cm copper cylinder and an iron rod, sealed with bitumen as insulation.
Engineering drawing
Free Images: "bestof:Electrophorus device.png Drawing of electrophorus electrostatic generator invented by Johan Carl Wilcke in 1764 from an 1840 chemistry text It consists of a"
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Oljemålning på duk - Skoklosters slott - 17388.tif
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Electróforo_(1).png
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Baksida_av_medalj_med_text_-_Skoklosters_slott_-_99613.tif
Coronation_of_Christian_VIII_(Gertner).jpg
Johan_August_Sandels,_fältmarskalk,_1764-1831._Oljemålning_på_duk_-_Skoklosters_slott_-_19237-negative.tif
Johan_August_Sandels,_fältmarskalk,_1764-1831._Oljemålning_på_duk_-_Skoklosters_slott_-_19237.tif
Framsida_av_medalj_med_bild_av_Karl_Johan_i_profil_samt_text,_1750-1820_cirka_-_Skoklosters_slott_-_99612.tif
Marconi_coherer_tube_(Rankin_Kennedy,_Electrical_Installations,_Vol_V,_1903).jpg
Gramme_dynamo.png
De_natuurlyke_historie_der_insecten_(Tab._XXVIII-XXIX)_(7158179376).jpg
Fältmarskalkstav - Livrustkammaren - 25329.tif
Fältmarskalksstav_-_Livrustkammaren_-_51393-negative.tif
Fältmarskalksstav_-_Livrustkammaren_-_51393.tif
Karl XIV Johans likprocession på Storkyrkobrinken i Stockholm, 1844 - Livrustkammaren - 104963.tif.tiff
Karl_XIV_Johans_likbegängelse_26_april_1844_-_Livrustkammaren_-_100424.tif
Karl_XIV_Johans_likbegängelse_26_april_1844_-_Skoklosters_slott_-_100422.tif
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Miniatyrporträtt_av_Karl_XIV_Johan_i_etui_-_Skoklosters_slott_-_39548.tif
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Stetefeldt roasting furnace.png
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