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

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

Unknown, 1650 c.
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 14

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

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

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

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, 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

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, 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 61

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

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

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

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

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

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

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