Index of /images/d/d7

[ICO]NameLast modifiedSizeDescription
[PARENTDIR]Parent Directory  -  
[IMG]08_toolmaking_apprentice.jpg2017-07-10 01:27 89K 
[IMG]14_Single_Axis_Tourbillon_classic_rose_gold.jpg2012-09-24 18:00 3.6M 
[IMG]100_0578.JPG2013-06-13 01:16 1.2M 
[IMG]A._Benet_Jeune,_Capucine_Uhr_mit_horizontaler_Hemmung,_ca.1845_(4).jpg2021-11-30 18:54 317K 
[IMG]A._Lange_&_Söhne_Glashütte,_Nr._62768,_circa_1914_(2).jpg2019-11-27 19:21 154K 
[IMG]ALS_No._214391,_Cal._48.1,_Schieron_Stuttgart,_circa_(1).jpg2017-05-01 20:00 231K 
[IMG]Adam_Auguste_Léchopié_à_Paris,_Laterna_Magica,_ca._1792_(5).jpg2021-11-13 14:48 214K 
[IMG]Adolf_Kittel,_Altona_Nr._233,_circa_1890_(2).jpg2018-04-15 20:28 139K 
[IMG]Albert_H._Potter_&_Co._Werk_nr._327_(6).jpg2012-09-24 18:00 134K 
[IMG]Alois_Winbauer,_Wiener_Präzisionsregulator_ca._1900,_Uhrenmuseum_Wien_(5).jpg2024-10-26 11:57 88K 
[IMG]Alphonse_Pavid,_Porte_Piton_Mobile_FH_21_Juli_1904.jpg2013-04-21 17:26 88K 
[IMG]Altitudo,_Werk_Nr._5957,_56_mm,_circa_1890_(5).jpg2019-11-01 13:29 85K 
[IMG]Amida_Digitrend_Werbung_Basler_Messe_1976.jpg2012-09-24 18:00 110K 
[IMG]Amida_Kaliber_182_WS_CS.jpg2012-09-24 18:00 52K 
[IMG]Amida_Kaliber_510_ZS.jpg2012-09-24 18:00 41K 
[IMG]Andreas_Hohwü,_Amsterdam,_Werk_Nr._154,_circa_1850_(5).jpg2020-05-22 11:18 224K 
[IMG]Anhänger_030.jpg2018-04-01 10:31 50K 
[IMG]Anzeige_Paul_Grzondziel_im_Sänger_Zeitung_Gleiwitz_1._Mai_1929.jpg2022-11-27 21:59 93K 
[IMG]ArminStrom_mouvment_SMALL.jpg2013-03-18 20:05 403K 
[IMG]Benjamain_Pichard_à_Paris,_circa_1640_(2).jpg2015-11-04 16:43 138K 
[IMG]Berthoud,_Auguste_Louis.jpg2012-09-24 18:00 65K 
[IMG]Bifora_84_Werkansicht.jpg2013-02-10 10:36 29K 
[IMG]Bifora_cal._711_(7,75_x_11´´´)_vor_1953_Werkseite.JPG2012-09-24 18:00 121K 
[IMG]Boucheron,_26_Place_Vendôme,_Paris,_Werk_Nr._151459,_Geh._Nr._151459,_circa_1925_(2).jpg2016-05-06 21:26 131K 
[IMG]Breguet,_No._2040,_Geh._Nr._B2040,_circa_1929_(1).jpg2017-04-11 21:49 152K 
[IMG]Breguet_&_Fils_Werk_Nr._1452_(2).jpg2012-09-24 18:00 68K 
[IMG]Breitling_Bildmarke.jpg2012-09-24 18:00 4.9K 
[IMG]Bruguier,_Charles_Abram_singing_bird_box_with_musical_movement_dial.jpg2012-09-24 18:00 92K 
[IMG]Bulova_7AK_Werkansicht_ZB.jpg2012-09-24 18:00 82K 
[IMG]C._Verhagen_Micrometer_1.jpg2012-09-26 20:28 31K 
[IMG]CORUM_logo.jpg2012-09-24 18:00 5.5K 
[IMG]Canadian_Elgin_Taschenuhr_um_1911_(1).jpg2024-05-18 13:07 118K 
[IMG]Cartier_à_Paris,_Tank_Solo,_Geh._Nr._287696PL,_Ref._2742,_Cal._690,_circa_1990_(3).jpg2016-05-07 13:06 88K 
[IMG]Cas._Pfaf_-Caspar_Pfaff,_Augsburg,_circa_1610_(03).jpg2018-10-01 14:27 198K 
[IMG]Certina_DS_Action_Lady_C032_251_17_011_00.jpg2017-08-25 01:21 553K 
[IMG]Charles_Bertrand_à_Paris,_Pendule_circa_1780_(1).jpg2018-04-12 15:40 172K 
[IMG]Chertsey_Museum.jpg2012-09-24 18:00 90K 
[IMG]Christopher_Gould_Londini_fecit_(10).jpg2023-08-20 12:17 188K 
[IMG]Chronometerhemmung.jpg2012-09-24 18:00 121K 
[IMG]Chronoswiss_Tora_Chronograph.jpg2012-09-24 18:00 25K 
[IMG]Colin_à_Genève,_circa_1780_(7).jpg2016-10-13 09:44 182K 
[IMG]Cortébert_Sport_Automatic.jpg2012-09-24 18:00 42K 
[IMG]Czapek_&_Cie._à_Genève,_Geh._Nr._32078_-_14794,_circa_1840_(5).jpg2020-10-08 14:17 124K 
[IMG]Dürrstein_&_Co.,_Dresden,_Werk_Nr._67,_circa_1890_(8).jpg2016-12-23 22:40 97K 
[IMG]DUS_Reichard,_Emil_Chronometer_No._3605,_1928_(06).jpg2021-10-13 19:26 157K 
[IMG]Daniel_Wellington_Classic_Southampton_Lady_Roségold_129,-€.jpg2015-12-19 01:27 534K 
[IMG]David_Du_Chemin_à_Rouen,_circa_1650_(6).jpg2019-10-21 19:51 163K 
[IMG]De_Charmes_Simon_London_pocketwatch.jpg2012-09-24 18:00 76K 
[IMG]De_Perseval_à_Paris_Chatelaine_Siegel.jpg2012-09-24 18:00 48K 
[IMG]Die_Uhrmacher-_Woche_Nr.6_1941_S._43.jpg2022-12-14 15:35 899K 
[IMG]Dimier_&_Cie._à_Genève,_circa_1840_(5).jpg2017-10-17 17:15 150K 
[IMG]Doppel_Achs_Tourbillon_pocketwatch_cutting_out.jpg2012-09-24 18:00 2.1M 
[IMG]Dr._S._Riefler_Nr._362_Pendel._No._3094_1913.jpg2012-09-24 18:00 62K 
[IMG]E._Eysler,_Nürnberg_(zugeschr.)_einzeigrige_Nürnberger_Renaissance_Sackuhr_mit_Stundenselbstschlag_ca._1570_(08).jpg2024-05-09 13:32 186K 
[IMG]Edmond_Mathey-Tissot,_Werk_Nr._7302,_Geh._Nr._12193,_circa_1910_(3).jpg2014-03-25 19:44 94K 
[IMG]Edward_Howard_Kirby_Street_London_pocket_watch_movement_site_(4).jpg2021-11-01 12:51 49K 
[IMG]Egidius_Rousseau_Bruxelles_(1).jpg2020-10-13 13:23 89K 
[IMG]Elgin_Freimaureruhr_1914_Gehäuse_back.jpg2017-09-19 01:09 120K 
[IMG]Erwin_Sattler,_München,_Modell_1622,_Cal._1520,_circa_2000_(6).jpg2016-05-27 13:16 133K 
[IMG]Estienne_Hubert_à_Roüen,_circa_1660_(7).jpg2019-10-28 12:07 98K 
[IMG]Etienne_Boisson,_circa_1710_(2).jpg2017-04-08 15:55 131K 
[IMG]Fälschung_Breitling_001RS.jpg2012-09-24 18:00 127K 
[IMG]Förster_197_Werkansicht.jpg2012-09-24 18:00 122K 
[IMG]F._Berthoud_No._757_(2)_Gehäuse.jpg2012-09-24 18:00 44K 
[IMG]FHF_72_Werkansicht.jpg2013-10-17 11:12 591K 
[IMG]Fabrique_Germinal,_Naval_Watch,_Savonnette_mit_complication_ca._1900_(9).jpg2022-05-25 10:06 425K 
[IMG]Fattorini_&_Sons_pocketwatch_1.jpg2012-09-24 18:00 59K 
[IMG]Francois_Arsène_Margaine_à_Paris,_Werk_Nr._7856,_circa_1900_(2).jpg2012-09-24 18:00 129K 
[IMG]Franz_Lehrner,_Wiener_Doppelgehäuse-Kutschenuhr,_circa_1810_(04).jpg2021-05-01 18:24 250K 
[IMG]FuO1960.jpg2012-11-08 17:55 2.0M 
[IMG]GUB_11-26_Werkansicht.jpg2012-09-24 18:00 82K 
[IMG]GUB_DAU_mit_GUB_63.2-aaRS.jpg2012-09-24 18:00 16K 
[IMG]GUB_Gongschlagwerk_mit_GUB_423_RS.JPG2016-12-11 11:40 49K 
[IMG]GUB_HAU_mit_GUB_28-ab.jpg2012-09-24 18:00 93K 
[IMG]Gesperr_Jgh_30_D.jpg2017-02-09 15:20 911K 
[IMG]Glashütte_Original_Pavonina.jpg2013-02-14 01:26 138K 
[IMG]Gröningerstrasse_(4.).JPG2013-12-18 00:01 137K 
[IMG]Gratulation_an_Paul_Biber_zum_65._Geburtstag.jpg2024-07-03 14:39 226K 
[IMG]Grovana_Werkansicht_2.jpg2016-07-11 09:44 4.4M 
[IMG]Gruen_à_Genève,_Precision-Chrono-Timer,_Werk_Nr._A765455,_Geh._Nr._127133,_Cal._5455,_circa_1940_(6).jpg2018-04-30 17:03 139K 
[IMG]Gruen_877_Werkansicht_ZB.jpg2012-09-24 18:00 93K 
[IMG]H._De_Giorgi,_Ecole_d'Horlogerie_Le_Locle_-_Zenith,_Werk_Nr._239,_Cal._5011,_datiert_2003_(3).jpg2018-10-20 12:34 123K 
[IMG]H._L._Matile,_Locle._Nr._63687,_circa_1850_(1).jpg2014-10-27 17:34 79K 
[IMG]Hamilton_&_Co.,_Calcutta,_Bombay_&_Simla_Savonette_ca._1900_(04).jpg2023-07-08 14:15 136K 
[IMG]Hang-Dah-Le,_Shanghai._L._Vrard_&_Co_ca._1900_(3).jpg2021-12-03 13:54 268K 
[IMG]Heinz_Oestreich,_D.U.S._Glashütte_(Sa.),_Werk_Nr._30,_Geh._Nr._3806,_circa_1933_(6).jpg2015-03-12 20:27 159K 
[IMG]Henri_Japy.jpg2012-09-24 18:00 38K 
[IMG]Henry_Lewis_&_Co..jpg2012-09-24 18:00 69K 
[IMG]Heuer_Carrera,_Cal._Valjoux_92,_circa_1963_(3).jpg2016-12-16 17:10 52K 
[IMG]Hilton_Anzeige_September_1969.jpg2024-05-29 17:43 467K 
[IMG]Hoffnungskirche_Hainsberg.jpg2012-09-24 18:00 111K 
[IMG]Hohenzollernstraße_Cassel_um_1909.jpg2022-12-07 14:41 261K 
[IMG]Horst_Möllnitz,_Dessau,_Deutsche_Uhrmacherschule_Glashütte_in_Sachsen,_circa_1954_(2).jpg2012-09-24 18:00 101K 
[IMG]Huga_S.A._Werbung_in_La_Fédération_horlogère_am_23._Aug._1934.jpg2017-09-23 09:49 70K 
[IMG]I._Kover,_London,_Repoussé_-Spindeltaschenuhr_im_Dreifachgehäuse,_circa_1760_(03).jpg2021-05-05 20:31 104K 
[IMG]Ilbery,_London,_Nr._6654,_circa_1810_(1).jpg2016-05-03 12:51 174K 
[IMG]Invar_LOGO.jpg2012-09-24 18:00 85K 
[IMG]Jäckle_Wortmarke_03.jpg2012-09-24 18:00 5.5K 
[IMG]J._&_A._Jump,_London,_Werk_Nr._111,_circa_1890_(10).jpg2015-11-14 09:34 165K 
[IMG]J._Calame-Robert,_circa_1860-1880_(5).jpg2016-11-26 10:12 139K 
[IMG]J._Farnworth_Nottingham_Nr._612,_circa_1790_(1).jpg2017-12-05 17:35 101K 
[IMG]JSN_D.jpg2018-10-25 14:38 135K 
[IMG]Jacques_Le_Mazurier_à_Paris,_circa_1740_(4).jpg2014-10-26 16:17 192K 
[IMG]Jaeger_Le_Coultre_Grand_Réveil-Calendrier_Perpétuel_case.jpg2012-09-24 18:00 89K 
[IMG]Jean_Rousseau,_Genf,_circa_1650_(08).jpg2017-09-12 11:44 137K 
[IMG]Johan_Hendrik_Wiedeking_à_Utrecht,_Nr._45,_circa_1759_(5).jpg2015-04-09 09:37 118K 
[IMG]Johann_Friedrich_Stalpp_à_Dresden,_circa_1750_(4).jpg2018-09-22 18:41 178K 
[IMG]Johann_Michael_Böck_Kutschenuhr_Linz.jpg2012-09-24 18:00 69K 
[IMG]John_Fitter_at_Fulham_Fecit_circa_1680_(6).jpg2017-12-11 13:52 82K 
[IMG]John_Jardin_London,_Nr_1447,_circa_1788_(7).jpg2017-12-21 16:17 123K 
[IMG]John_Thwaites,_Clerkenwell,_London_1803_(7).jpg2016-11-14 12:13 361K 
[IMG]John_Worke,_London,_No._751,_circa_1774_(2).jpg2018-01-08 16:34 132K 
[IMG]Joseph_Ives_(1782-1862).jpg2022-02-17 15:41 17K 
[IMG]Junghans,_Schramberg,_Werk_Nr._96674,_Cal._29C,_circa_1940_(2).jpg2015-11-17 19:32 107K 
[IMG]Junghans_97_Werkansicht.jpg2013-11-12 18:54 551K 
[IMG]Königsscheibe_002.jpg2012-09-24 18:00 111K 
[IMG]Kemp_&_Wilcox_Prunk-Reiseuhr_ca._1890_(10).jpg2022-01-03 15:35 132K 
[IMG]Kurtz_Z_ohne_KB.jpg2015-03-04 19:18 418K 
[IMG]L.H._Klein,_Kopenhagen,_Spindeluhr_um_1740_(02).jpg2016-06-10 15:10 142K 
[IMG]LIGA_"best_centre_seconds_chronograph"_2.jpg2012-09-24 18:00 94K 
[IMG]Lange_L072.1_Zifferblattseite.jpg2012-09-24 18:00 302K 
[IMG]Lavina_Anzeige_1946_(2).jpg2020-12-12 12:01 99K 
[IMG]Lebenslauf_Karl_Giebel_Seite_1.jpg2012-12-16 02:50 1.2M 
[IMG]Lehmann_13_Werkansicht.jpg2012-09-24 18:00 32K 
[IMG]Leopold_Schmidt,_Prag,_circa_1780_(09).jpg2021-04-04 19:09 316K 
[IMG]Liema_Armbanduhr_(5).jpg2023-01-15 15:08 37K 
[IMG]Lieutaud_à_Paris,_circa_1780_(2).jpg2017-10-06 20:38 189K 
[IMG]Louis_Achile_Brocot,_Paris,_Movement_No._134,_circa_1875_(4).jpg2018-04-24 21:07 255K 
[IMG]Louis_Audemars_à_Brassus_-_Le_Roy_&_Fils,_Nr._10652_,_LeRoy_Nr._47471,_circa_1868_(4).jpg2012-09-24 18:00 41K 
[IMG]Louis_Perron_Repetition_movement.jpg2012-09-24 18:00 123K 
[IMG]Martinus_Hyllius,_Dresda,_circa_1655_(4).jpg2019-04-12 11:26 119K 
[IMG]Marvin_Taschenuhr_No._926528_1915_(1).jpg2012-09-24 18:00 91K 
[IMG]Max_bill_Damen_047_4254_00.jpg2014-11-10 13:20 84K 
[IMG]Menzo_7.jpg2015-04-24 20:27 224K 
[IMG]Michael_Hoffrichter,_circa_1680_(07).jpg2015-11-10 20:18 103K 
[IMG]Michaelis_M_Georgi_Sonnenuhren_61.jpg2017-09-04 03:09 919K 
[IMG]Michel_Magnen,_Goldemail-Spindeltaschenuhr,_ca._1775_(03).jpg2023-12-29 10:46 113K 
[IMG]Miniatur-Anhängeuhr_in_Herzform_Schweiz,_Geh._Nr._60,_circa_1860_(3).jpg2015-11-23 11:09 121K 
[IMG]Miniatur-Anhängeuhr_in_Herzform_Schweiz,_Geh._Nr._60,_circa_1860_(5).jpg2015-11-23 11:11 149K 
[IMG]Movado_-_Sûreté,_Geh._Nr._222776,_circa_1910_(5).jpg2015-04-26 12:21 103K 
[IMG]Nicolas_Vallin,_circa_1610_(6).jpg2019-10-16 10:51 196K 
[IMG]P._Orr_&_Sons_Rangoon.jpg2014-11-17 15:44 26K 
[IMG]Patek_Philippe_Genève_Ref_425.jpg2012-09-24 18:00 46K 
[IMG]Patek_Philippe_Logo_color.jpg2012-09-24 18:00 20K 
[IMG]Patek_Philippe_Ref._3566-1,_Cal._175,_circa_1972_(2).jpg2014-11-26 15:42 62K 
[IMG]Peter_Litherland_&_Co.,_Liverpool,_Nr._1014,_circa_1795_(3).jpg2015-04-12 19:55 99K 
[IMG]Phe._Terrot_&_Achard_Nr._439_Spindeltaschenuhr,_circa_1760_(3).jpg2012-09-24 18:00 65K 
[IMG]Pierre_Lagisse,_Genf,_circa_1660_(08).jpg2017-10-21 10:42 137K 
[IMG]Pierre_Wortmarke_03.jpg2012-09-24 18:00 4.3K 
[IMG]Planchon,_Palais-Royal,_Pariser_Miniatur_Türmchenuhr,_circa_1890_(01).jpg2021-04-19 12:28 171K 
[IMG]Planchon,_Palais-Royal,_Pariser_Miniatur_Türmchenuhr,_circa_1890_(03).jpg2021-04-19 12:49 187K 
[IMG]Pressebericht_M.Gondy_Légion_d_'Honneur.jpg2012-09-24 18:00 90K 
[IMG]Record_Wortmarke.jpg2012-09-24 18:00 6.6K 
[IMG]Reichstagung_Deutscher_Uhrmacher_1939_Wien.jpg2021-01-07 04:38 522K 
[IMG]Reiseuhr_Harrods_-_Couaillet_(2).jpg2013-10-28 17:13 213K 
[IMG]Richard_D._Pugh_Finisher_Liverpool_-_John_Beesley_Movement_Maker_Prescot,_circa_1848_(1).jpg2012-10-27 22:09 58K 
[IMG]Robert_Higgs,_London,_Nr._2198,_circa_1748_(07).jpg2017-10-20 22:28 73K 
[IMG]Robert_Pennington,_London,_Werk_Nr._4-433,_Geh._Nr._4784,_circa_1810_(6).jpg2015-11-13 14:55 101K 
[IMG]Robert_Robin,_Hger_du_Roi_à_Paris_-_Robin_au_Louvre,_circa_1790_(6).jpg2013-10-27 18:34 141K 
[IMG]Robert_Westmore_&_Son,_Nr._8064,_circa_1827_(3).jpg2015-04-26 13:20 112K 
[IMG]Rockford_Kal.jpg2012-09-24 18:00 91K 
[IMG]Rolex_Cosmograph_Daytona_116576_TBR_1.jpg2015-03-16 19:53 409K 
[IMG]Rolf_Lang,_Glashütte_b._Dresden,_Nr._35_(7).jpg2018-04-29 13:02 161K 
[IMG]S._Smith_&_Son_Ltd.,_London,_Chronoscope,_Werk_Nr._53436,_Geh._Nr._85019,_circa_1920_(2).jpg2012-10-14 13:50 157K 
[IMG]SAXONIA_AUTOMATIK_ALS_842_032_a.jpg2013-06-20 00:29 682K 
[IMG]Simon_Vissière,_Le_Havre_No_79.jpg2019-07-05 17:00 2.0M 
[IMG]Slawa_4302_Sperrkegel.jpg2012-09-24 18:00 133K 
[IMG]Slawa_Zifferblattmarke.jpg2012-09-24 18:00 37K 
[IMG]South_Bench_Watch_Factory_Armbanduhr_mit_Montgomery_Zifferblatt.jpg2024-05-14 12:24 96K 
[IMG]Stübner_P._No._77,_Wiegand,_Conrad,_Peine_circa_1920_(03).jpg2024-04-28 12:28 249K 
[IMG]Taschenuhr_Abraham_Yver_Angolesme_circa_1765_(2).jpg2023-01-14 13:41 228K 
[IMG]Tempel,_Willi.jpg2012-09-24 18:00 25K 
[IMG]Thiel_Regular_A_Werkansicht_ZB.jpg2012-09-24 18:00 108K 
[IMG]Thiel_Thiela_Werkansicht.jpg2012-09-24 18:00 160K 
[IMG]Thomas_Marsh_&_Co,_London,_Nr._106_circa_1815_(6).jpg2017-12-29 10:12 118K 
[IMG]Thomas_Mudge,_London,_Werk_Nr._6337,_circa_1787_(1).jpg2015-11-07 12:41 74K 
[IMG]Thomas_Mudge_-_William_Dutton_Nr._1290_1787_(2).jpg2012-09-24 18:00 24K 
[IMG]Thomas_Thomsen_à_Amsteldam,_circa_1800_(2).jpg2014-10-20 20:57 189K 
[IMG]Thos_Vernon._London,_circa_1735_(3).jpg2020-03-08 13:32 129K 
[IMG]Traité_de_l’horlogerie_mécanique_et_pratique,_Ecchappement_Vergo_Figure_29.jpg2014-01-20 14:09 69K 
[IMG]Tutima_Military_Flieger_Chronograph,_Ref._760-01,_Cal._Lemania_5100,_circa_2005_(2).jpg2019-12-21 14:39 119K 
[IMG]U.S._Patent_140065_17._Juni_1873_Louis_Jerome_Napoleon_Mouret_(1).jpg2021-12-09 20:48 130K 
[IMG]UMF_13-32_Werkansicht.jpg2018-12-02 12:12 318K 
[IMG]UMF_82-01_Werkansicht_ZB.jpg2018-07-15 21:24 221K 
[IMG]UMF_Damenarmbanduhr_mit_UMF_53-52_b_RS.jpg2017-03-22 18:57 678K 
[IMG]UMF_Herrenarmbanduhr_mit_UMF_25-12.jpg2013-09-19 15:02 612K 
[IMG]UMF_Herrenarmbanduhr_mit_UMF_29-12_H045.jpg2013-04-06 18:15 639K 
[IMG]Uhlmann_&_Branchu,_Stöpsellocke,_Goldemail-Savonnette,_ca._1860_(12).jpg2024-06-07 09:58 189K 
[IMG]Uhrmacherschule_Alfred_Helwig_Graduation_06.jpg2015-07-16 00:16 131K 
[IMG]Ulysse_Nardin_No._14553,_circa_1910_(3).jpg2014-11-24 15:44 84K 
[IMG]Unbekannte_Gehäusemarke_011.jpg2013-03-20 21:48 8.3K 
[IMG]Vacheron_&_Constantin_à_Genève,_Werk_Nr._395691,_Geh._Nr._255220,_circa_1925_(5).jpg2016-11-18 22:00 174K 
[IMG]Valentin_Fadeuilhe_Paris,_Taschenuhr_¼_Repetition_um_1820_(08).jpg2016-06-04 21:22 153K 
[IMG]Wagner,_London,_circa_1780_(08).jpg2019-03-26 16:17 137K 
[IMG]William_Payne_&_Co_London_Geh_Nr_7541_movement_a.jpg2012-09-24 18:00 81K 
[IMG]Zapfenrollierstuhl_4.jpg2015-04-24 20:47 189K 
[IMG]Zenith_Chronometre,_Werk_Nr._4250560,_Geh._Nr._9048190,_Cal._135,circa_1953_(4).jpg2019-11-14 16:11 78K