A-P	Mes. Ader, Picard et Tajan Auctions, Paris.
ADL	Adler Planetarium, Chicago, Ill.
AMB	American Museum, Bath, England.
AMH	Musée d'Histoire Naturelle, Antwerp.
AMST	Scheepvaart Museum, Amsterdam.
AND-SPI	Spitzer Legacies Sale, Anderson Galleries, New York, Jan. 9, 192
AND	Anderson Galleries, New York.
ANM	Musée National de la Marine, Antwerp, Belgium.
AOB	Astrophysical Observatory of the Academy of Science of Armenian S.S.R., Burakan, U.S.S.R.
AOK	Astronomical Observatory of Kazan State University, Kazan, U.S.S.R.
AOT	Astro. Observ. of the Inst. of Physics and Astro. of the Academy of Science of Estonian S.S.R. (old), Tartu, U.S.S.R.
AOTA	Astronomical Observatory of the Academy of Science of Uzbek S.S.R., Tashkent, U.S.S.R.
AOTY	Astro. Observ. of the Inst. of Physics and Astro.of the Academy of Science of Estonian S.S.R. (new), Tyravere.
AOV	Astronomical Observatory of the Vilnyus State University (old), Vilnyus, U.S.S.R.
APS	American Philosophical Society, Philadelphia, PA.
ARC	District Museum of Local Lore, Archangel, U.S.S.R.
ARM	Armagh Observatory, N. Ireland.
AUG	Maximilianmuseum, Augsburg, Germany.
AUI	Institute of Science, Aarhus, Denmark.
BAM	Heimatmuseum, Bamberg, Germany.
BAO	Observatorio Fabra, Barcelona, Spain.
BAR	Maritime Museum, Barcelona, Spain.
BAS	Observatory, Basle.
BASH	Historical Museum, Basle.
BASU	University Observatory, Basle.
BAU	Stadtmuseum, Bautzen, Germany.
BCH
BEK	Kunstgewerbemuseum, Berlin, Germany.
BEP	Pommerscher Kunstschrank, Berlin.
BER	Historical Museum, Berne.
BERNAL	Caius and Gonville College, Cambridge, England.
BIL	Billings Collection of Microscopes, Washington D.C.
BM	British Museum, London.
BMA	Institut des Arts et Métiers, Brussels.
BMM	Bath Maritime Museum, Bath, ME.
BMR	Musées Royaux, Brussels, Belgium.
BOM	H.G. Bom (Auction House), Holland or Germany.
BOS	Museum of Fine Arts, Boston, Mass.
BOU	Musée de Boulogne, Boulogne, France.
BRA	Arts et Metier Museum, Brno, C.S.S.R.
BRC	Musée Cinquantenaire, Brussels.
BRE	Focke Museum, Bremen, Germany.
BRN	[Czechosloslovakia?]
BRO	Royal Observatory, Brussels, Belgium.
BRP	Pinacoteca, Brescia, Italy.
BRS	Sternwarte, Breslau, Poland.
BRU	Free University, Brussels.
BUD	National Museum, Budapest.
BUN	Iparmüvészeti Muzeum, Budapest, Hungary.
BUR	Burndy Library, Norwalk, Conn. and SIMAH, Washington, D.C.
CAD	Escuela de Nautica, Cadiz, Spain.
CAI	Caius and Gonville College, Cambridge, England.
CAR	Archaeological Museum, Cambridge, England.
CAU	Musée Brochet, Caudebec-en-Caux, France.
CCT
CHADENAT	Chadenat Sale, Hotel Drouot, Paris, May 24, 1956.
CHEVAU	[Chevau-Légers 2/28/82? / Chevau 10/10/75?]
CHF	Musée de l'Horlogerie, La Chaux de Fonds, Switzerland.
CHRIS.-SK
CHRISTIE	Christie, Manson and Wood Auctions, London.
CHT	Georges Charliat Collection, Paris.
CLO	Clockmakers' Company Museum, London.
CLU	Musée de Cluny, Paris.
CMY	Castle Museum, York.
CNAM	Conservatoire National des Arts et Métiers, Paris.
COL	Rheinisches Museum, Cologne.
CON	Naval College, Coimbra, Portugal.
COO	Astronomical Observatory, Coimbra, Portugal.
COP	National Museum, Copenhagen.
COT
COU	University, Coimbra.
CRI	Crisp Collection, London.
CRT	Round Tower, Copenhagen.
CUS	Cusanus Hospital, Bernkastel-Cues, Germany (may be same as BCH).
CZJ
D.	Dealer.
DAN	Oliva Museum, Danzig, Germany.
DAR	Landesmuseum, Darmstadt, Germany.
DEU	Deutsches Museum, Munich.
DHM	Historical Museum, Dresden.
DIE	Musée de Dieppe.
DMT	The Home Musem of K.E. Tsiolkovsky, Kaluga, U.S.S.R.
DNM	Naval Museum, Dubrovnik, Yugoslavia.
DOR	Stadtmuseum, Dortmund.
DPW	David P. Wheatland, Boston, MA Collection ( now mainly at Harvard with some at the Adler Planetarium).
DRE	Mathematische-Physikalisches Salon, Dresden.
DROUOT	Hotel Drouot Auctions, Paris.
DUB	National Museum, Dublin.
DUS	Joint Republican State Museum of Historical Lore and Fine Arts, Dushanbe, U.S.S.R.
ECO	Ecole national des Ponts et Chausées, Paris (?).
EGE	Egestorff Collection, Dublin.
EIS	Museum, Eisenach, Germany.
ELB	Stadtmuseum, Elbing, Poland (now German).
ELDRED
ELV	Inter-District Museum of Local Lore, Elv, Estonian S.S.R., U.S.S.R.
EMA	National Museum of Antiquities, Edinburgh.
ERNST	Ernst Collection, Harvard University, Cambridge, MA (see HAR).
ESS	Essex Institute, Salem, MA (now Peabody-Essex Museum).
FGM	Museo di Instituto Geographico Militario, Florence.
FIN	Sir Edmund Findlay Sale, Sotheby's Dec. 4, 1961 and Feb. 26, 1962, London.
FIT	Fitzwilliam Museum, Cambridge, England.
FLE	Kunstgewerbemuseum, Flensburg, Germany.
FLG	Instituto Tecnico Stat. Comm. Galileo, Florence.
FLM	see FGM.
FLO	Museo di Storia della Scienza, Florence.
FOR	Fort Caroline National Memorial, Jacksonville, FL.
FOSTER
FRA	Stadtmuseum, Frankfort-am-Main.
FRE	Augustiner-Museum, Freiburg.
FRI	Friesch Museum, Leeuwarden, Holland.
FRK	Arthur Frank Collection, Glasgow, Scotland (dispersed).
FRY	Claude Fry Sale, Sotheby's, London, March 14, 1957.
FUR	[Deutsches Uhrenmuseum, Furtwangen, Germany]
GAI	State Astronomical Institute in the name of P.K. Sternberg, Moscow, U.S.S.R.
GEL	Hermitage Museum, Leningrad (now St. Petersburg).
GEM	Musée d'Histoire des Sciences, Geneva, Switzerland.
GEN	Society Ligure di Storia Patria, Genoa.
GEP	Naval Museum, Pegli-Genoa, Italy.
GGO	Main Geophysical Observatory in the name of A.E. Voeikov, Leningrad (now St. Petersburg).
GHE	Musée de Folklore, Ghent, Belgium.
GIM	State Historical Museum of Ukranian S.S.R., Kiev, U.S.S.R.
GIMK	State Historical Museum of Local Lore of Moldavian S.S.R., Kishinev, U.S.S.R.
GIML	State Historical Museum, Lvov, U.S.S.R.
GIMT	Historical Museum of Estonian S.S.R, Tallinn, U.S.S.R.
GIMY	State Historical Museum of Armenian S.S.R., Yerevan, U.S.S.R.
GME	State Museum of Ethnography of the Peoples of the U.S.S.R., Leningrad, U.S.S.R. (now St. Petersburg).
GMEL	Ukranian State Museum of Ethnography and Artistic Arts, Lvov, U.S.S.R.
GMET	State Ethnographic Museum of the Estonian S.S.R., Tartu, U.S.S.R.
GMM	Maritime Museum, Gotheborg, Sweden.
GMT	State Museum of Tatar, A.S.S.R., Kazan, U.S.S.R.
GOL	Geographic Society of the U.S.S.R., at the Academy of Scienceof the U.S.S.R., Leningrad, U.S.S.R.
GOT	Museum, Gotha, Germany.
GRA	Johanneum, Graz, Austria.
GRD	Grodnenian Pedagogical Institute, Grodno, U.S.S.R.
GRE	Greppin Collection (dispersed).
GRO	Groningen University, Groningen, Holland.
GUR	Gurley Collection, Troy, N.Y.
HAA	Maritime Museum Altoona, Germany.
HAK	Museum für Kunst und Gewerbe, Hamburg.
HAM	Museum für Hamburgische Geschichte, Hamburg.
HAMMER	Hammer Sale, J.M. Heberle, Cologne, 1895.
HAR	Historic Scientific Instrument Collection, Harvard University, Cambridge, MA.
HAY	Hayden Planetarium, New York. (mostly the Bliss Collection).
HEG	Harold E. Gillingham Collection, Phildelphia, PA (dispersed).
HEI	Landessternwarte, Heidelberg.
HER
HMK	[not used?]
HOF
HOW	Howgrave-Graham Collection, London.
IEMS	The Historical-Ethnographic Museum, Shauliai, U.S.S.R.
IEMV	Historical-Ethnographic Museum of Lithuanian S.S.R., Vilnyus, U.S.S.R.
INEICHEN	Peter Ineichen Auktionhaus, Zurich.
ING	Schlossmuseum, Ingolstadt, Germany.
INN	Landesmuseum, Innsbruck, Austria.
JOS	C.H. Josten Collection, Oxford (dispersed).
KAL	District Museum of Local Lore, Kaluga, U.S.S.R.
KAS	Landesmuseum, Kassel, Germany.
KBU	The Study of A.M. Butlerov at the Kazan State University, Kazan, U.S.S.R.
KEN	Science Museum, South Kensington, London, England.
KENNEY	Cyril Kenney Sale, Sotheby's, London, July 15, 1963.
KES	Kestner Museum, Hannover, Germany.
KFR	Knight, Frank and Rutley, Auctions, London.
KIN	King's College, Cambridge, England.
KLA	Landesmuseum, Klagenfurt, Germany.
KM	Geography Museum of Moscow State University, Moscow, U.S.S.R..
KMM	Study-Museum of D.I. Mendeleev at the All-Union Scientific Research Institute of Meteorology, U.S.S.R.
KNG	Saarem Museum of Local Lore, Estonian S.S.R., Kingisepp, U.S.S.R.
KOF	Dept. of General Physics of the Physics Faculty of Moscow State University, Moscow, U.S.S.R.
KON	University Observatory, Konigsberg (now Kalingrad, U.S.S.R.).
KOS	Historical-Architectural Museum-Preservation, Kostroma, U.S.S.R.
KOT	Maritime Museum, Kotor, Yugoslavia.
KRA	Jagiellonian University Museum, Kracow, Poland.
KRE	Kreuzenstein Schloss, Germany.
KRM	Kremsmünster Stift, Austria.
KRO	Sofartmusset, Kronborg, Denmark.
LAN	Nicolas Landau Collection, Paris.
LANGE
LAS	Naval Museum, La Spezia, Italy.
LAW	Lawrence Sale, Sotheby's, London, April 18, 1934.
LEI	Kunstgewerbe Museum, Leipzig, Germany.
LEL	Public Library, Leningrad (now St. Petersburg).
LEO	Observatory, Leiden, Holland.
LEY	Museum of the History of Science, Leiden (now the Boerhaave Museum)
LID	Stadtmuseum, Lindau, Germany.
LIE	Museé de la Vie Wallonne, Elskamp Collection, Liège, Belgium.
LIM	Maritime Museum, Lisbon.
LIN	Landesmuseum, Linz, Austria.
LJU	Naárodní Museum, Ljubjana, Yugoslavia.
LNB	State Scientific Library, Lvov, U.S.S.R.
LOS	Los Angeles County Natural History Museum, Los Angeles, Calif.
LOU	The Louvre, Paris.
LSG	Sociedad de Geographia, Lisbon, Spain.
LUB	Museum S. Anna, Lubeck, Germany.
LUN	Museum, Lüneburg, Germany.
MAA	Archaeological Museum, Madrid, Spain.
MAD	Musée des Arts Decoratifs, Paris.
MADEX	Exhibition des Instruments et Outils d'Autrefois, Musée des Arts Decoratifs, Paris, 1936.
MAG	Instituto Geografico y Estadistico, Madrid.
MAI	Altertummuseum, Mainz, Germany.
MAN	Naval Museum, Madrid.
MAS	Instituto de San Isidro, Madrid, Spain.
MAT	Scientific-Research Institute of Ancient Manuscripts at the Soviet of Ministries of Armenian S.S.R., Yerevan, U.S.S.R..
MAV	Instituto de Valencia de Don Juan, Madrid.
MEM	Stadt-Museum, Memminger, Germany.
MER	Merton College, Oxford, England.
MERC	Mercator Shop, Paris (Gertrude Hamilton, 1929).
MEW	[not used?]
MIA	Museum of the History of Azerbaidzhan, Baku, U.S.S.R..
MICHEL	Michel Sale, Sotheby's, London, March 17, 1938.
MII	Institute of Geodesy Engineers, Aerial Photography, and Cartography, Moscow, U.S.S.R.
MIL	State Museum of the History of Leningrad, U.S.S.R. (now St. Petersburg).
MIM	History of Microscopy Museum of the Inst. of the History of Natural Science of the Acad. of Science of the U.S.S.R., Moscow.
MIMK	Museum of the History of Material Culture of Tomsk State University, Tomsk, U.S.S.R.
MIMV	State Museum of the Art of the Peoples of the East, Moscow, U.S.S.R.
MINV	State Museum of the Art of the Peoples of the East, Moscow, U.S.S.R..
MIS	Sforza Museum, Milan, Italy.
MLL	M.V. Lomonosov Museum of the Inst. of the Hist. of Nat. Science and Tech. of the Acad. of Science of the U.S.S.R., Leningrad.
MOS	Historical Museum, Moscow.
MOSK	Saul Moskowitz Catalogues, Marblehead, MA. (he died in 1991).
MPP
MSC	Mystic Seaport Museum, Mystic, CN.
MST	Museum of Science and Technology, Milan.
MUB	Staats Bibliothek, Munich.
MUN	Nationalmuseum, Munich (Bayerische).
MZI	Museum of Western and Eastern Art, Kiev, U.S.S.R..
MZM	Geography Museum of Moscow State University, Moscow, U.S.S.R.
NAC	Nachet Collection, Paris (dispersed).
NEE	W. Needham Collection, Cambridge, England.
NMM	National Maritime Museum, Greenwich, London.
NOR	Nordiska Museum, Stockholm, Sweden.
NOV	District Museum of Local Lore, Novosibirsk, U.S.S.R..
NUR	Germanisches Museum, Nürnberg.
NYC	David Eugene Smith Collection, Columbia University Library, New York.
NYH	Hispanic Society, New York.
NYM	Metropolitan Museum of Art, New York.
NYS	Historical Society, New York (collection of instruments dispersed.
O-F	Olaguer-Feliu Collection, Barcelona (see Monreal in Bibliography
OBE	Anisch-Hueber Museum, Oberperfuss, Germany.
OLD	Oudheidkamer, Oldenzaal, Holland.
OPM	State Armoury, Moscow, U.S.S.R..
OXF	Museum of the History of Science, Oxford, England.
OXFB	Billmeier Collection, Museum of the History of Science, Oxford.
P-B	Parke-Bernet Gallery, New York (now part of Sotheby's).
P&S	Puttick and Simpson, London.
P.	Picture.
P.C.	Private Collector.
PAB	Biblioteca Nazionale, Palermo, Italy.
PAC	Academie des Sciences, Paris.
PAK	Parkington Collection, Bury St. Edmunds, England.
PAM
PAR	Royal Museum, Palermo, Italy.
PAT	Town Library, Palermo.
PBN	Bibliothèque Nationale, Paris, France.
PEA	Peabody Museum, Salem, MA (now Peabody-Essex Museum).
PEM	Maritime Museum, Perast, Yugoslavia.
PER	Comune Museo, Perugia, Italy.
PET	Museum of Local Lore, Petrozavodsk, U.S.S.R.
PIT	Pitt Rivers Museum, Oxford.
PLZ	Ethnographic Museum, Plzen, C.S.S.R.
PMM	Musée de la Marine, Paris.
PMS	Penobscot Marine Museum, Searsport, ME.
PMU	Polytechnical Museum, Moscow, U.S.S.R.
POB	L'Observatoire, Paris.
POR	Piero Portaluppi Collection, Milan (now at Poldi Pezzoli Museum, Milan).
POTS	Geomagnetischen Institut, Potsdam, Germany (now Zentralinstitut für Physik der Erde, Bereich Geomagnetismus).
PRA	Technical Museum, Prague.
PRE	Stadtmuseum, Pressburg, Germany.
PRM	Paul R. MacAlister Collection, Lake Bluff, IL.
PRN	National Museum, Prague.
PRS	Historical Artistic Museum, Pereslavl-Zaleski, U.S.S.R.
PSH	Service Hydrographique de la Marine, Paris.
PTA	Stadtmuseum, Pettau, Germany.
PUGSLEY	Edwin Pugsley Sale, O. Rundle Gilbert Auction, New Haven, CT., A
PYM	Pym Sale, Sotheby's, London, Oct. 17, 1960.
RAV	Museum, Ravensburg, Germany.
REG	Museum, Regensberg, Germany.
RGM	City Museum, Riga, U.S.S.R.
RGO	Royal Greenwich Observatory, Hurstmonceux Castle, England.
RGS	Royal Geographic Society, London.
RIJ	Rijksmuseum, Amsterdam.
RIL	Royal Institute, London.
RJK	Naval and Historical Museum, Rijeka, Yugoslavia.
RMS	Royal Microscopical Society, London (collection now at OXF).
ROB	Biblioteca Lancisiana, Rome.
ROK	Museum of Local Lore, Rokishkis, Lithuanian S.S.R., U.S.S.R.
ROM	Monte Mario Observatory, Rome.
ROS	Rosenborg Castle, Copenhagen.
ROSENHEIM	Rosenheim Sale, Sotheby's, London, May 11, 1923.
ROT	Time Museum, Rockford, IL.
ROU	Roussel Sale, Hotel Drouot, Paris, March 13-15, 1911.
ROUSSEL	Roussel Sale, Hotel Drouot, Paris, March 13-15, 1911.
ROY	Rostov Branch of the State Yaroslavl-Rostov Historical-Architectural and Artistic Museum-Preservation, Rostov, U.S.S.R..
RSM	Royal Scottish Museum, Edinburgh (now part of the Royal Museums of Scotland).
RSW	Notes and Sightings.
SAL	Society of Antiquaries, London, England.
SAN	St. Andrew's University, St. Andrews, Scotland.
SCH	Museum, Schaffhausen, Germany.
SCHUHMANN	Schuhmann Sale, Hôtel Drouot, Paris, November 15, 1935
SEO	[not used?]
SGS	The Gentlemen's Society, Spalding, England.
SKO	Skokloster Castle, Sweden.
SLM	Stadtmuseum, Salzburg, Austria.
SLO	City Art Museum, St. Louis, MO.
SLZ	Stift St. Peter, Salzburg.
SNO	Nordiska Museum, Stockholm.
SOL	Museum, Solnhofen, Germany.
SOT	[not used?]
SOTH-B	[not used?]
SOTH-NY	Sotheby's-New York.
SOTH	Sotheby's, London.
SPI	Spitzer Sale, Chevallier, Paris, 1893.
SPITZER	Spitzer Sale, Chevallier, Paris, 1893
SPL	Naval Museum, Split, Yugoslavia.
STE	Sjohistoriska Museum, Stockholm, Sweden.
STH	Statens Historical Museum, Stockholm.
STK
STL	Landesmuseum, Stuttgart, Germany.
STM
STO	Old Observatory, Strasbourg, France.
STR	Musée de Rohan, Strasbourg, France.
STROZZI	Strozzi Sale, F. Muller Co., Amsterdam, Nov. 1911.
STS	Stift, Seitenstetten, Germany.
STT	Technical Museum, Stockholm,
STU	Würtembergerisches Landesmuseum, Stuttgart, Germany.
STUKER	Galerie Jurg Stuker, Berne, Switzerland.
SWE	Swedish Royal Academy of Science, Stockholm.
SWF	Museum, Schweinfurt, Germany.
T.C.	Trade Card.
TEY	Teyler's Museum, Haarlem, Holland.
TGM	City Museum, Tartu, Estonian S.S.R., U.S.S.R..
THO
TIM	Time Museum, Rockford, Illinois.
TOL	Museum, Toledo, OH.
TOM	District Museum of Local Lore, Tomsk, U.S.S.R.
TOMBA	Dr. Tullio Tomba Collection, Milan, Italy
TOML	John Tomlinson Collection (now mostly at ADL).
TOU	Musée St. Raymond, Toulouse, France (see TPD).
TPD
TRA	Ehrensberger Collection, Traunstein, Germany.
TRE	Museo del Mare, Trieste, Italy.
TVM	Central Naval Museum, Leningrad, U.S.S.R., (now St. Petersburg).
ULM	Museum, Ulm, Germany.
USMA	United States Military Academy, West Point, N.Y.
USNA	United States Naval Academy, Annapolis, MD.
USNM	Smithsonian Institution, Washington, D.C.
UTC	Clock Museum, Utrecht, Holland.
UTO
UTP	Physics Laboratory, University of Utrecht.
UTR	University Museum, Utrecht, Holland.
VAA	Victoria and Albert Museum, London, England.
VCW	Colonial Williamsburg, Williamsburg, VA.
VEN	Museo Civico Correr, Venice, Italy.
VEO	Osservatorio, Venice, Italy.
VIE	Kunsthistorisches Museum, Vienna, Austria.
VIG	Österreichisches Museum for Angewante Kunst, Vienna./Kunstgewerbe Museum
VIM	Military-Historical Museum of Artillery and Military Engineers, Leningrad, U.S.S.R..
VIT	Technisches Museum, Vienna, Austria.
VIU	Uhren Museum, Vienna, Austria.
VNL	National Library, Vienna, Austria
VNM	Museo Storico Navale, Venice, Italy.
VNN
VOGEL	H. Vogel Auction House, Düsseldorf, Germany.
WAI	Museum, Waidhofen, Germany.
WAR	University, Warsaw, Poland.
WEBS
WEINMULLER	Weinmuller Auction House, Munich, Germany.
WHI	Whipple Museum of the History of Science, Cambridge, England.
WILLEBOIS	see Strozzi. (van der Does)
WOL	Library, Wolfenbuttel, Germany.
WRAY	Wray Sale, Sotheby's, London, Nov. 30, 1959.
WUP	Historische Uhren Museum, Wuppertal, Germany (Jurgen Abeler, dir.)
WUR	Mainfrankische Museum, Würzburg, Germany.
WWA	Whitney Warren Collection, New York (dispersed).
X.	Location unknown.
YAR	Yaroslavl-Rostov Historical-Architectural and Artistic Museum-Preservation, Yaroslav, U.S.S.R..
ZAA	Archaeological Museum, Zagreb, Jugoslavia.
ZAG	Kunstgewerbemuseum, Zagreb, Jugoslavia.
ZIT	Stadtmuseum, Zittau, Germany.
ZUR	Observatory, Zurich, Switzerland.
ZUS	Schweizerisches Museum, Zurich, Switzerland.