Rudolph, Johann Gottlob, 1725 c.25
Adler Planetarium and Astronomy Museum, Chicago, USA
M-446

Unknown, 1790 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-444

Santini, Tomaso, 1800 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-443

le Père, George, 1744
Adler Planetarium and Astronomy Museum, Chicago, USA
M-442

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

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

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

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

Baillou, Franciscus, 1738
Adler Planetarium and Astronomy Museum, Chicago, USA
M-431

Willevaux, P. Petrus Fran[cisc]us de, 1703 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-430

Unknown, 1670 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-429

Unknown, 1680 c.+10
Adler Planetarium and Astronomy Museum, Chicago, USA
M-428a

Campani, Giuseppe, 1670 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-428

Unknown, 1700 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-427

Patroni, Pietro
Adler Planetarium and Astronomy Museum, Chicago, USA
M-426

Unknown, 1700 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-425

Marshall, John, 1680 c.
Adler Planetarium and Astronomy Museum, Chicago, USA
M-424

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

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

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

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

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

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

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

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

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

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

Unknown
Utrecht University Museum, Utrecht, The Netherlands
LI-35

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 98

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Unknown, 1725 c.25
Louwman Collection of Historic Telescopes, Wassenaar, The Netherlands
LC 48

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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