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117 results
  • Advertisement for Maignen's Patent Filter Rapide.
  • Advertisement for Maignen's Patent Filter Rapide.
  • Filter feeding appendage (cirri) from a goose barnacle, SEM
  • Filter feeding appendage (cirri) from a goose barnacle, SEM
  • Water filter designed by C. Chamberland.
  • The 1904 World's Fair, St. Louis, Missouri: an exhibition hall showing the Hygeia Filter Company stand: elevated view. Photograph, 1904.
  • Franco-Prussian War: soldiers using the new army filter-van. Wood engraving.
  • Hydraulics: a pot filter and a sedimentation trap. Engraving by Mutlow after Blunt.
  • Waterworks, Port of Spain, Trinidad: battery of mechanical 'Bell' filters at a water filter plant. Photograph, 1880/1910?.
  • Hamburg's floating baths: plans and elevations, and detail of filter machine. Line engraving by Mutlow.
  • Barranquilla, Colombia: a water filter attached to a tap at the Yellow Fever Campaign office. Photograph, 1900/1930.
  • Gold prospectors constructing a long box with a filter for panning gold. Process print after H.M. Paget, 1899.
  • Waterworks, Port of Spain, Trinidad: battery of mechanical 'Bell' filters in a water filter plant, with a man in a white suit standing in the background. Photograph, 1880/1910?.
  • Elephant's hair. Slide by Topping - x165 - lamp. Beck Intensity and ground glass and wratten 45a filter. Condenser - Leitz 1.4 NA. Camera ext. 215 mm. Plate - Kodak Pan. Exp. 5.75m. Fine grain 1D11. Talen F.C. Griggs 29.9.48 op.lat. Top lens removed. OBJ. Watson Holes 12mm. 0.65 N.n. used 182 mm. thickcore Eyepiece x 14.
  • Syrasep : disposable microfiltration syringe filters / Intersep Filtration Systems.
  • Syrasep : disposable microfiltration syringe filters / Intersep Filtration Systems.
  • Gyrosep : solvent resistant stirred filtration cells / Intersep Filtration Systems.
  • Gyrosep : solvent resistant stirred filtration cells / Intersep Filtration Systems.
  • VERSAmax : tunable microplate reader... : tune into your best results... with no filters / Molecular Devices Ltd.
  • VERSAmax : tunable microplate reader... : tune into your best results... with no filters / Molecular Devices Ltd.
  • Join the Waters Edge frequent buyer programme : and get free gifts with your HPLC filters : see inside for details / Waters Corporation.
  • Join the Waters Edge frequent buyer programme : and get free gifts with your HPLC filters : see inside for details / Waters Corporation.
  • Intersep urine concentrator / [Intersep Filtration Systems].
  • Nadir : ultrafiltration / microfiltration membranes / Intersep Filtration Systems.
  • Nadir : ultrafiltration / microfiltration membranes / Intersep Filtration Systems.
  • Nadir : ultrafiltration / microfiltration membranes / Intersep Filtration Systems.
  • Nadir : ultrafiltration / microfiltration membranes / Intersep Filtration Systems.
  • Cel-Tan : compact cassette modules / Intersep Filtration Systems.
  • Cel-Tan : compact cassette modules / Intersep Filtration Systems.
  • Liqui-Cel : high efficiency membrane phase contactors / Intersep Filtration Systems.