Dollond, 1780 c.
Optisches Museum, Jena, Germany

Unknown, 1780 c.
Optisches Museum, Jena, Germany

Gilbert, John, 1780 c.
National Maritime Museum, Greenwich (London), England
NAV1601

Sayde, 1780 c.
National Maritime Museum, Greenwich (London), England
NAV1618

Martin, Benjamin, 1779 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 51

Pyefinch, Henry, 1777 c.
Coll. Willach, Taegerwilen, Switzerland
RW 156 [58] [2022 22 2006 24] [2023]

Ramsden, Jesse, 1776
Technoseum: Landesmuseum fur Technik und Arbeit in Mannheim, Mannheim, Germany
EVZ:1983.0046-002

Ramsden, Jesse, 1776
Technoseum: Landesmuseum fur Technik und Arbeit in Mannheim, Mannheim, Germany
EVZ:1983.0046-003

Pyefinch, Henry, 1775c + 25
Narodni Technicke Muzeum, Prague, Czech Republic
14.126

Unknown, 1775 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 98

Unknown, 1775 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 99

Unknown, 1775 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 102

Unknown, 1775 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 103

Unknown, 1775 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 104

Unknown, 1775 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 105

Unknown, 1775 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 106

Unknown, 1775 c.25
Optisches Museum, Jena, Germany

Dollond, 1775 c.25
National Maritime Museum, Greenwich (London), England
AST0933

Dollond, 1775 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 157

Dollond, 1775 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 203

Dollond, 1775 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 54

Unknown, 1775 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 52

Semitecolo, 1775 c.
Coll. Willach, Taegerwilen, Switzerland
RW ??? [22] [2006 67] [2023]

Dollond, Peter, 1775 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-432

Ramsden, Jesse, 1775 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
DPW-39

Ramsden, Jesse, 1775 c.
Mathematisch-Physikalischer Salon / Staatliche Kunstsammlungen Dresden, Dresden, Germany
CIF 52

Unknown, 1775 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 100

Unknown, 1775 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 101

Ramsden, 1775 c.
Dundee Art Gallery and Museum, Dundee, Scotland
1974-304

Moschino, Giuseppi, 1775 c.
National Museum of Ireland, Dublin, Ireland
NMIDM: 1917.31

[unknown maker], 1775
Spengler, Joseph, Optick, catoptrick und dioptrick . . . , Augsberg, Germany

Deijl, van, 1773
Utrecht University Museum, Utrecht, The Netherlands
UM-412

The Oxford Magazine, 1771
Wellcome Images, London, United Kingdom
31709i

Gonichon, 1770 c.+10
Coll. Willach, Taegerwilen, Switzerland
RW 020 [13] [2006 39] [2023]

Dollond, 1770 c.
National Maritime Museum, Greenwich (London), England
NAV1520

Dollond, 1770 c.
National Maritime Museum, Greenwich (London), England
NAV1516

Dollond, 1770 c.
National Maritime Museum, Greenwich (London), England
NAV1639

Unknown, 1770 c.
National Maritime Museum, Greenwich (London), England
NAV1525

Dollond, 1770 c.
National Maritime Museum, Greenwich (London), England
NAV1664

Dollond, 1770 c.
National Maritime Museum, Greenwich (London), England
NAV1483

Dollond, 1770 c.
National Maritime Museum, Greenwich (London), England
NAV1487

Unknown, 1770 c.
Coll. Willach, Taegerwilen, Switzerland
RW 117 [33] [??] [2023]

Adams, G., 1770 c.
Coll. Willach, Taegerwilen, Switzerland
RW 166 [39] [2008 23] [2023]

Unknown, 1770 c.
Optisches Museum, Jena, Germany

Dollond, 1770 c.
National Maritime Museum, Greenwich (London), England
AST0922

Dollond, 1770 c.
National Maritime Museum, Greenwich (London), England
AST0927

Unknown, 1770 c.
National Maritime Museum, Greenwich (London), England
NAV1593

Unknown, 1770 c.
National Maritime Museum, Greenwich (London), England
NAV1662

Campi, Giovanni Battista, 1769
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 74

Deijl, Jan van & Zoon, 1769
Scheepvaartmuseum, Amsterdam, The Netherlands
S.1096