Campi, Giovanni Battista [attributed], 1750 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 77

Unknown, 1750 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 78

Semitecolo, Leonardo, 1750 c. +50
Narodni Technicke Muzeum, Prague, Czech Republic
5.732

Semitecolo, Leonardo, 1750 c. +50
Narodni Technicke Muzeum, Prague, Czech Republic
14.525

Semitecolo, Leonardo, 1750 c. +50
Narodni Technicke Muzeum, Prague, Czech Republic
24.864

Olivo, 1750 c. +50
Narodni Technicke Muzeum, Prague, Czech Republic
49.662

[unknown maker], 1750 c. +50
Optisches Museum, Jena, Germany

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1495

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1524

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1509

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1663

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1513

Jones, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1541

Semitecolo, 1750 c.
Coll. Willach, Taegerwilen, Switzerland
RW 119 [21] [2006 68] [2023]

Unknown, 1750 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-433

Unknown, 1750 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-432

Unknown, 1750 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-433

Semitecolo, Leonardo, 1750 c.
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
CIF 48

Ayscough, James, 1750 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 49

Sterrop, 1750 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 50

Burlini, Biasio, 1750 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 68

Beltrami, Pietro, 1750 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 71

Dolci [attributed], 1750 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 80

Unknown, 1750 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 108

Unknown, 1750 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 109

Mann and Ayscough, 1750 c.
Snowshill Manor and Garden, Snowshill, England
CPW Item number 83 (Admiral)

Mann, I., 1750 c.
Snowshill Manor and Garden, Snowshill, England
CPW Item number 84 (Admiral)

[unknown maker], 1750 c.
Stewart Museum, Montreal, Canada
1993.26abc

Wale, Samuel & Charles Grignion, 1750 c.
Wellcome Images, London, United Kingdom
46334i

Hogarth, William, 1750 c.
Wellcome Images, London, United Kingdom
46336i

Dollond, 1750 c.
Scheepvaartmuseum, Amsterdam, The Netherlands
S.2964(01)

[unknown maker], 1750 c.
National Museum of Ireland, Dublin, Ireland
NMIDM:1994.18

Dollond & Son, 1750 c.
Optisches Museum, Jena, Germany

Unknown, 1750 c.
Optisches Museum, Jena, Germany

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1527

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1552

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1557

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1577

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1576

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1597

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1599

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1617

Unknown, 1750 c.
National Maritime Museum, Greenwich (London), England
NAV1655

[unknown maker], 1750
Scheepvaartmuseum, Amsterdam, The Netherlands
S.1690

[unknown maker], 1750
National Museum of Ireland, Dublin, Ireland
NMIDM:1994.17

Adams, George, 1748 c.+7
Adler Planetarium and Astronomy Museum, Chicago, USA
A-352

Short, James, 1748 c.
National Maritime Museum, Greenwich (London), England
AST0939

Short, James, 1745 c.
Optisches Museum, Jena, Germany

Baillou, Francois, 1745
Coll. Willach, Taegerwilen, Switzerland
RW 059 [42] [2005 25] [2023]

Le Pere, George, 1744
Coll. Willach, Taegerwilen, Switzerland
RW 079 [14] [2006] [2023]