12 A Catalogue- of 
122 An armillaryvdialling fphere, fo con- 
trived as to explain the reafon and 
nature, as well as to folve the moll 
ufeful problems in fpherics, and il- 
luftrate the theory of dialling, and 
is itfelf an univerfal fun-dial. 
123 A fphere fhewing the real and appa¬ 
rent motion of the heavens, and 
folving the problems depending 
thereon. 
124 A planetarium, by which the annual 
motion of the planets, their fimati- 
ons and pofitions with refpedl to 
the earth and fun, as well as to each 
other, with their direct ftationary 
and retrograde appearances are 
clearly illuftrated. 18 18 a 
125 A tellurian, which explains the diur¬ 
nal and annual motions of the earth 
and moon ; fhevvs the inclination 
and retrograde motion of the moon’s 
orbit, and thereby the caufes or the 
edipfes of the fun and moon, the 
caufes of day and night, the vicaf¬ 
fe udes of the feafons, the phafes 
of the moon, the difference between 
a periodical and fynodical month, 
the rifing, fouthing, meridian alti¬ 
tude, declination, amplitude, and 
fetting of the fun and moon, &c. 26 15 o 
126 Orreries, which drew all the above 
phenomena, with the motion of the 
inferior planets only, or with the 
motions of all the fuperior planets 
and their fatellites, with many im¬ 
provements, are made by me at 
various prices^ according to the 
intention 
0 
