Dollond
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
PL.4

Rossin
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
PL.18

Passemant, Claude Simeon
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 163

Unknown
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 256

Ramsden, Jesse
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 214

Campani, Giuseppe
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
PL.22

Marshall, John
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
PL. 8

Dollond & Son
Coll. Willach, Taegerwilen, Switzerland
RW 178 [28 06(11)] [2006 11] [2023]

Dollond
Coll. Willach, Taegerwilen, Switzerland
RW 050? [10] [2006 17] [2023]

Linnell, J.
Coll. Willach, Taegerwilen, Switzerland
RW 019 [15] [2006 04] [2023]

Mesnard
Coll. Willach, Taegerwilen, Switzerland
RW 029 [71] [2006 60] [2023]

Dollond / Linnell
Coll. Willach, Taegerwilen, Switzerland
RW 019 [34] [2006 15] [2023]

Mesnard
Coll. Willach, Taegerwilen, Switzerland
RW 052? [70] [2006 61] [2023]

Gilbert, J.
Coll. Willach, Taegerwilen, Switzerland
RW 071 [12] [2006 43a] [2023]

Moschino, Giuseppe
Coll. Willach, Taegerwilen, Switzerland
RW 120 [06(38)] [2006 38] [2023]]

Unknown
Coll. Willach, Taegerwilen, Switzerland
RW 092 [26] [2006 55] [2023]

Patroni, Pietro
Adler Planetarium and Astronomy Museum, Chicago, USA
M-426

Unknown
Adler Planetarium and Astronomy Museum, Chicago, USA
M-456

Mann & Ayscough
Adler Planetarium and Astronomy Museum, Chicago, USA
W-283

Unknown
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
CIF 62

Unknown
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
CIF 94

Ramsden
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
CIF 45

[unknown maker]
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
CIF 81

Unknown
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
CIF 96

Unknown
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
CIF 112

Unknown
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
CIF 113

Rudolph, J.G.
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
new 2006

Ramsden
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
CIF 82

Unknown
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany

Bourgeois, Jacques / Boulliau, Ismael / Beeckman, Isaac
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 21

Marshall, John
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 39

Unknown
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
Middelburg 15

Unknown
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
Middelburg 16

Ayscough, James
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 180

Scarlett, Edward
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 367

Patroni, Pietro
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 199

Warris, William
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 232

Chevallier, Jean Gabriel Augustin
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 237

Ribright, Thomas
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 218

Harris, Thomas and William
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 225

Dixey, Charles Wastell
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 230

Unknown
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
Middelburg ?

Unknown
Coll. [Lugano] , Lugano, Italy

Unknown
Optisches Museum, Jena, Germany

Howe, John
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 40

Dolci [attributed]
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 79

Semitecolo, Leonardo
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 81

Passemant, Claude Simeon
Stewart Museum, Montreal, Canada
1977.67

[unknown maker]
Stewart Museum, Montreal, Canada
1979.51.14

Watkins
Dumfries Museum & Camera Obscura, Dumfries, Scotland
DUMFM:1966.24

Hughes, H
Dumfries Museum & Camera Obscura, Dumfries, Scotland
DUMFM:0213.21

Unknown
Dumfries Museum & Camera Obscura, Dumfries, Scotland
DUMFM:1990.27.11

Bateman & Branches
Dumfries Museum & Camera Obscura, Dumfries, Scotland
DUMFM:0213.19

Unknown
Dumfries Museum & Camera Obscura, Dumfries, Scotland
DUMFM:0213.20

Sustermans, Justus
Wellcome Images, London, United Kingdom
45630i

[unknown maker]
Wellcome Images, London, United Kingdom
25917i

Dixon, John
Wellcome Images, London, United Kingdom
16317i

[unknown maker]
Wellcome Images, London, United Kingdom
46253i

[unknown maker]
Wellcome Images, London, United Kingdom
46322i

Jan Kip and G. Freman
Wellcome Images, London, United Kingdom
46392i

Villamena, F.
Galilei, Galileo, Opere, Bologna, Italy

Unknown
Wisbech & Fenland Museum, Wisbech, England
1880.15

Unknown
Tullie House Museum & Art Gallery Trust, Carlisle, England
1974 21.2

Unknown
Tullie House Museum & Art Gallery Trust, Carlisle, England
1976 36.1

Strachan, J.
Tullie House Museum & Art Gallery Trust, Carlisle, England
1976 36.2

Unknown
Tullie House Museum & Art Gallery Trust, Carlisle, England
1975 177.4

Unknown
Utrecht University Museum, Utrecht, The Netherlands
LI-35

Loomers, J.
Utrecht University Museum, Utrecht, The Netherlands
LI-37.01

Hartsoeker, N.
Utrecht University Museum, Utrecht, The Netherlands
LI-37.03

Unknown
Utrecht University Museum, Utrecht, The Netherlands
LI-46

Campani (unconfirmed)
Utrecht University Museum, Utrecht, The Netherlands
UM-2122

Adams
Utrecht University Museum, Utrecht, The Netherlands
UM-397

Unknown
Utrecht University Museum, Utrecht, The Netherlands
UM-447

Unknown
Utrecht University Museum, Utrecht, The Netherlands
UM-45

Spierre, Francois
Eschinardi, Francesco. Centuriae opticae, Rome, Italy

[unknown maker]
Voigt, Johann Henrich, Alten und Neuen Styli sonderbarer Christencalender

Widman, Daniel
Scheiner, Christoph, Rosa ursina sive sol, Bracciano, Italy

Adams, George Sr.
Museu da Ciencia Universidade de Coimbra, Coimbra, Portugal
MNCT 0000001

Nairne, Edward
Museu da Ciencia Universidade de Coimbra, Coimbra, Portugal
AST.I.043

[unknown maker]
Wellcome Images, London, United Kingdom
ICV No 41301

[unknown maker]
Wellcome Images, London, United Kingdom
ICV No 41384

[unknown maker]
Wellcome Images, London, United Kingdom
ICV No 48576

Lunatic, Nicholas
Wellcome Images, London, United Kingdom
ICV No 50851

Passignani
Fahie, J. J. Memorials of Galileo Galilei, 1564-1642: Portraits and paintings, medals and medallions, busts and statues, monuments and mural inscriptions, London, England

Unknown
British Museum, London, England

[unknown maker]
British Museum, London, England

[unknown maker]
Rieker, Rolf, Fernrohre und ihre Meister, Germany, Berlin

[unknown maker]
Rieker, Rolf, Fernrohre und ihre Meister, Germany, Berlin

Peale, Charles Wilson
Bedini, Silvio. Early American scientific instruments and their makers, Rancho Cordova, United States

[unknown maker]
Bianchini, Francesco. Hesperi et Phosphori nova phenomena, sive Observationes circa planetam Veneris, Rome, Italy

[unknown maker]
Cellarius, Andreas. Harmonia Macrocosmica, Amsterdam, The Netherlands

[unknown maker]
Zahn, Johann, Oculus artificialis teledioptricum sive telescopium, Germany, Nuremburg

[unknown maker]
Zahn, Johann, Oculus artificialis teledioptricum sive telescopium, Germany, Nuremburg

Dollond?
College of Optical Sciences / University of Arizona, Tucson, United States

Ramsden
College of Optical Sciences / University of Arizona, Tucson, United States

[unknown maker]
College of Optical Sciences / University of Arizona, Tucson, United States

Semitecolo, Leonardo
College of Optical Sciences / University of Arizona, Tucson, United States

[unknown maker]
College of Optical Sciences / University of Arizona, Tucson, United States

[unknown maker]
College of Optical Sciences / University of Arizona, Tucson, United States
T-54

[unknown maker]
College of Optical Sciences / University of Arizona, Tucson, United States
T-80