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