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English Garfield, Washington house seen in a real photo postcard print c. 1904-1918...(656 × 455 (105 KB)) - 00:00, 5 October 2024
File:Records and briefs of the United States Circuit Court of Appeals for the Ninth Circuit (IA govuscourtsca9briefs1941x).pdf (matches file content)the azo dyestuff coupling component of the developer. The print is then diazo This of the latent formation of a finished positive diazo print which...(935 × 1,566 (10.12 MB)) - 14:05, 9 October 2024
File:Photographic workroom handbook (IA photographicwork00blum 1).pdf (matches file content)Q. Concentrated—Plates, Films and Papers.6 DEVELOPER For Portrait Prints on AZO Paper ..13 DEVELOPER For Producing three degrees of contrast, suitable...(1,272 × 2,091 (7.33 MB)) - 14:19, 20 October 2022
DescriptionEnsenada - Guanica Central.jpg English: Photographic print (postcard) AZO paper Date circa 1920 date QS:P,+1920-00-00T00:00:00Z/9,P1480,Q5727902...(1,511 × 946 (827 KB)) - 17:22, 28 March 2024
DescriptionPuerto Rico - harvesting pineapples.jpg English: Photographic print (postcard) AZO paper Date circa 1920 Source Digital scan of postcard Author Unknown...(1,599 × 1,009 (580 KB)) - 01:27, 24 January 2024
DescriptionPuerto Rico - Coconuts.jpg English: Photographic print (postcard) AZO paper Date circa 1920 date QS:P,+1920-00-00T00:00:00Z/9,P1480,Q5727902...(3,079 × 1,869 (1.29 MB)) - 09:14, 16 October 2024
File:Photographic workroom handbook (IA photographicwork00blum 0).pdf (matches file content)Concentrated—Plates, Films and Papers .. 6 DEVELOPER For Portrait Prints on Azo Paper . 13 DEVELOPER For Producing three degrees of contrast, suitable...(1,287 × 2,025 (7.36 MB)) - 14:19, 20 October 2022
DescriptionMayaguez - City view.jpg English: Photographic print (postcard) Divided back, AZO paper Date circa 1920 date QS:P,+1920-00-00T00:00:00Z/9,P1480...(1,522 × 939 (377 KB)) - 23:53, 8 June 2023
The date is given by the figuration of the stamp placement on back, the 'Azo' mark with two triangles facing up and two triangles facing down dates it...(1,029 × 1,600 (232 KB)) - 15:02, 11 January 2024
DescriptionPuerto Rico - Casa de Campo.jpg English: Photographic print (postcard) Divided back AZO paper Date circa 1910 date QS:P,+1910-00-00T00:00:00Z/9,P1480...(1,506 × 931 (757 KB)) - 09:18, 16 October 2024
The date is given by the figuration of the stamp placement on back, the Azo mark with two triangles facing up and two triangles facing down dates it...(1,600 × 1,020 (235 KB)) - 17:31, 6 October 2024
The date is given by the figuration of the stamp placement on back, the Azo mark with two triangles facing up and two triangles facing down dates it...(1,600 × 1,025 (251 KB)) - 15:02, 11 January 2024
File:Photographic workroom handbook (IA photographicwork00blum).pdf (matches file content)Q. Concentrated—Plates, Films and Papers... DEVELOPER For Portrait Prints on Azo Paper. DEVELOPER For Producing three degrees of contrast, suitable for...(1,237 × 2,020 (7.29 MB)) - 14:19, 20 October 2022
The date is given by the figuration of the stamp placement on back, the 'Azo' mark with two triangles facing up and two triangles facing down dates it...(1,600 × 1,016 (247 KB)) - 15:02, 11 January 2024
The date is given by the figuration of the stamp placement on back, the 'Azo' mark with two triangles facing up and two triangles facing down dates it...(1,600 × 1,033 (159 KB)) - 15:02, 11 January 2024
DescriptionNaguabo - Rio Santiago.jpg English: Photographic print (postcard) AZO paper Date circa 1915 Source Digital scan of postcard Author Attilio Moscioni...(3,216 × 2,031 (2.18 MB)) - 21:17, 15 November 2024
DescriptionCoamo Springs Hotel - Entrance.jpg English: Photographic print (postcard) AZO paper No. 91 Date 1923 Source Digital scan of postcard Author Jose...(1,509 × 934 (1.24 MB)) - 11:05, 24 March 2024
DescriptionPuerto Rico - Central Guanica.jpg English: Photographic print (postcard) AZO paper Date circa 1920 date QS:P,+1920-00-00T00:00:00Z/9,P1480,Q5727902...(1,473 × 940 (483 KB)) - 09:18, 16 October 2024
The date is given by the figuration of the stamp placement on back, the 'Azo' mark with two triangles facing up and two triangles facing down dates it...(1,040 × 1,600 (274 KB)) - 15:02, 11 January 2024
DescriptionPuerto Rico - Aibonito Panorama.jpg English: Photographic print (postcard) AZO paper Date circa 1920 Source Digital scan of postcard Author Attilio...(2,954 × 1,776 (1.2 MB)) - 09:45, 16 October 2024
The date is given by the figuration of the stamp placement on back, the Azo mark with two triangles facing up and two triangles facing down dates it...(1,600 × 1,038 (260 KB)) - 22:37, 28 November 2024
The date is given by the figuration of the stamp placement on back, the Azo mark with four triangles facing up dates it between 1904 - 1918. Source/Photographer...(1,034 × 1,600 (255 KB)) - 15:02, 11 January 2024
File:A dictionary of the coal tar colours (IA dictionaryofcoal00hursrich).pdf (matches file content)group, the N N-O radicles. , Curcumine S is an example. Azo Colouring Matters. Azo COLOURING MATTERS. 4. Aniline Yellow, Crocein Scarlet, Congo...(958 × 1,454 (17.5 MB)) - 19:05, 28 June 2023
The date is given by the figuration of the stamp placement on back, the Azo mark with two triangles facing up and two triangles facing down dates it...(1,600 × 1,029 (246 KB)) - 15:02, 11 January 2024
The date is given by the figuration of the stamp placement on back, the 'Azo' mark with two triangles facing up and two triangles facing down dates it...(1,600 × 1,059 (172 KB)) - 15:02, 11 January 2024
DescriptionCentral Guanica - View 02.jpg English: Photographic print (postcard) AZO paper Date circa 1920 date QS:P,+1920-00-00T00:00:00Z/9,P1480,Q5727902...(1,000 × 624 (93 KB)) - 16:11, 1 June 2024
File:Application of the benzidine colours in all branches of printing (IA applicationofben1898farb).pdf (matches file content)cover printed with Aniline Black. cover printed with Aniline Black. No. 15. No. 16. Dyed with Benzo Purpurine 4 B Dyed with Azo ; cover printed with...(1,352 × 1,960 (8.95 MB)) - 16:57, 9 September 2023
The date is given by the figuration of the stamp placement on back, the Azo mark with two triangles facing up and two triangles facing down dates it...(1,600 × 1,032 (283 KB)) - 15:02, 11 January 2024
DescriptionPuerto Rico - Culebra.jpg English: Photographic print (postcard) AZO paper Date circa 1915 Source Digital scan of postcard Author Unknown author...(1,582 × 992 (644 KB)) - 12:34, 28 January 2023
DescriptionCentral Guanica - View 01.jpg English: Photographic print (postcard) AZO paper Date circa 1920 date QS:P,+1920-00-00T00:00:00Z/9,P1480,Q5727902...(1,000 × 635 (92 KB)) - 16:11, 1 June 2024
The date is given by the figuration of the stamp placement on back, the 'Azo' mark with two triangles facing up and two triangles facing down dates it...(1,600 × 1,057 (184 KB)) - 22:29, 19 July 2024
The date is given by the figuration of the stamp placement on back, the Azo mark with four triangles facing up dates it between 1904 - 1918. Related...(1,017 × 1,600 (283 KB)) - 15:02, 11 January 2024
DescriptionPuerto Rico - Country home.jpg English: Photographic print (postcard) AZO paper Date circa 1920 Source Digital scan of postcard Author Attilio...(2,990 × 1,875 (1.44 MB)) - 09:45, 16 October 2024
DescriptionPuerto Rico - Comerio Road 2.jpg English: Photographic print (postcard) AZO paper Date circa 1920 date QS:P,+1920-00-00T00:00:00Z/9,P1480,Q5727902...(3,066 × 1,878 (1,014 KB)) - 09:45, 16 October 2024
DescriptionCentral Guanica - View 03.jpg English: Photographic print (postcard) AZO paper Date circa 1920 date QS:P,+1920-00-00T00:00:00Z/9,P1480,Q5727902...(1,000 × 620 (87 KB)) - 16:11, 1 June 2024
DescriptionEnsenada - Protestant church.jpg English: Photographic print (postcard) AZO paper Date circa 1925 date QS:P,+1925-00-00T00:00:00Z/9,P1480,Q5727902...(948 × 1,513 (927 KB)) - 16:29, 1 April 2024
DescriptionCoamo Springs Hotel - Partial View.jpg English: Photographic print (postcard) AZO paper No. 95 Date 1923 Source Digital scan of postcard Author Jose...(1,513 × 916 (1.19 MB)) - 12:47, 24 March 2024
The date is given by the figuration of the stamp placement on back, the Azo mark with four triangles facing up dates it between 1904 - 1918. Source/Photographer...(1,020 × 1,600 (267 KB)) - 15:02, 11 January 2024
DescriptionPuerto Rico - Country road.jpg English: Photographic print (postcard) AZO paper No. 11 Date circa 1925 date QS:P,+1925-00-00T00:00:00Z/9,P1480...(1,584 × 977 (977 KB)) - 23:53, 27 March 2024
DescriptionPuerto Rico - Coamo Springs Hotel.jpg English: Photographic print (postcard) AZO paper Date circa 1925 date QS:P,+1925-00-00T00:00:00Z/9,P1480,Q5727902...(1,493 × 927 (737 KB)) - 09:18, 16 October 2024
DescriptionGuantanamo Bay - Returning aboard.jpg English: Photographic print (postcard) AZO paper Date circa 1915 Source Digital scan of postcard Author Unknown...(1,519 × 959 (863 KB)) - 12:04, 24 November 2024
DescriptionPuerto Rico - Pineapple field.jpg English: Photographic print (postcard) AZO paper Date circa 1920 Source Digital scan of postcard Author Attilio...(3,018 × 1,826 (1.64 MB)) - 09:45, 16 October 2024
DescriptionPuerto Rico - Country Huts.jpg English: Photographic print (postcard) AZO paper Date circa 1920 date QS:P,+1920-00-00T00:00:00Z/9,P1480,Q5727902...(1,520 × 939 (759 KB)) - 09:45, 16 October 2024
DescriptionCuba - Scenes of Matanzas.jpg English: Photographic print (postcard) Divided back AZO paper Date circa 1910 date QS:P,+1910-00-00T00:00:00Z/9,P1480...(1,519 × 970 (1.23 MB)) - 16:43, 1 August 2024
DescriptionGuayama - Cine Campoamor.jpg English: Photographic print (postcard) Divided back AZO paper Date circa 1925 Source Digital scan of postcard Author...(1,578 × 989 (763 KB)) - 15:00, 15 September 2024
DescriptionPuerto Rico - Guajataca beach and tunnel.jpg English: Photographic print (postcard) AZO paper Date circa 1925 date QS:P,+1925-00-00T00:00:00Z/9,P1480,Q5727902...(3,181 × 2,030 (1.36 MB)) - 17:01, 31 July 2024
DescriptionPuerto Rico - Guajataca River.jpg English: Photographic print (postcard) AZO paper Date circa 1920 Source Digital scan of postcard Author Unknown...(2,955 × 1,755 (1.34 MB)) - 13:20, 31 December 2023
DescriptionPuerto Rico - Palmeras de coco.jpg English: Photographic print (postcard) AZO paper May be former Borinquen Park Date circa 1920 date QS:P...(969 × 1,512 (850 KB)) - 12:58, 3 April 2023
DescriptionMayaguez - Interior, Cathedral.jpg English: Photographic print (postcard) AZO paper Shows church interior prior to devastating earthquake of 1918...(3,196 × 2,061 (1.75 MB)) - 11:05, 26 May 2024
DescriptionMiami Beach - Hardie's Casino, 1926.jpg English: Photographic print (postcard) AZO paper Shows effects of September 18, 1926 hurricane Date 1926 Source...(1,501 × 947 (816 KB)) - 18:37, 27 February 2024
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