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

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

Adams, Dudley, 1803
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 211

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

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

Ribright, Thomas, 1750 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 219

Unknown, 1675 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 22

Unknown, 1750 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 220

Ribright, Thomas, 1750 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 222

Ribright, Thomas, 1780 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 223

Storer, William, 1780 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 224

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

Sykes, Henry, 1785 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 226

Reeve(s), Richards / Cock, Christopher, 1650 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 23

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

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

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

Unknown, 1850 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 258

Unknown, 1800 c.+50
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 260

Huygens, Christiaan, 1656
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 30

Hofmann, J. G., 1860 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 322

Spindler & Hoyer, 1930 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 335

Blethyn, Theodorus, 1675 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 35

Troughton & Simms, 1850 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 358

Unknown, 1675 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 36

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

Yarwell, John [attributed], 1687 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 37

Marshall, John, 1700 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 38

Watkins & Hill, 1800 c.+50
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 383

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

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

Unknown, 1700 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 41

Unknown, 1725 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 42

Unknown, 1725 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 43

Unknown, 1750 c.10
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 44

Unknown, 1700 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 45

Unknown, 1700 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 46

Unknown, 1725 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 47

Unknown, 1725 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 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

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

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

Dollond, 1750 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 53

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

Unknown, 1675 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 55

Unknown, 1700 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 56

Unknown, 1700 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 57

Unknown, 1700 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 58

Carochez, Noël-Simon, 1795 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 59

Campani, Giuseppe, 1675 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 60

Campani, Giuseppe, 1675 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 61

Campani, Giuseppe, 1689
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 62

Belletti, Paulo, 1681
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 63

Buttieri, Carlo Antonio, 1726
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 64

Buttieri, Carlo Antonio, 1700 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 65

Burlini, Biasio, 1720 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 66

Burlini, Biasio, 1725 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 67

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

Patroni, Pietro, 1700 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 69

Patroni, Pietro, 1735
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 70

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

Baillou, Francois, 1753
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 72

Baillou, Francois, 1761
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 73

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

Campi, Giovanni Battista, 1750 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 75

Campi, Giovanni Battista, 1750 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 76

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

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

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

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

Unknown, 1650 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 84

Mur, Christian [attributed], 1675 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 85

Unknown, 1700 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 86

Unknown, 1710 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 87

Czadeczky, Ferdinand, 1675 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 88

Cramer, Gerrit, 1725 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 89

Unknown, 1675 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 91

Unknown, 1675 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 92

Unknown, 1750 c.50
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 93

Unknown, 1700 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 94

Unknown, 1675 c.+25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 95

Unknown, 1700 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 96

Unknown, 1725 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 97

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
Utrecht University Museum, Utrecht, The Netherlands
LI-35

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

Bevere, E. D., 1709
Utrecht University Museum, Utrecht, The Netherlands
LI-37.02

Bevere, E. D., 1709
Utrecht University Museum, Utrecht, The Netherlands
LI-37.02

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

Huygens, Christiaan, 1655
Utrecht University Museum, Utrecht, The Netherlands
LI-38

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

Baillou, François, 1738
Adler Planetarium and Astronomy Museum, Chicago, USA
M-131

Unknown, Italian or possibly French, 1630 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-421

Unknown, French, 1650 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-422

Unknown, 1675 c.+25
Adler Planetarium and Astronomy Museum, Chicago, USA
M-422a

Unknown, 1660 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-423