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No. . PATENTED NOV. 10 1903.
W. GENTRY.
TELLURIAN.
APPLIOATION PILED DEO. 3 1902.
SO MODEL. 3 SHEETS—SHEET 1.
Orwentoc 1?! Zej cre>c ir'r . .
Qot teit.r.
No. .
NO MODEL.
PATENTED NOV. 10 1903.
W. GENTRY. TELLURIAN.
APPLIOATION FILED DEO. 3 1902.
3 SHEETSSHEET 2.
NONPIS PETERS PHOTOETCO. WCSH NCtON. O. C
No .
NO MODEL.
PATENTED NOV. 10 1903.
W. GENTRY. TELLURIAN.
APPLIOATIOH FILED DEO. 3 1902.
3 SHEETSSHEET 3.
No. . Patented November 10 .
UNITED STATES PATENT OFFICE.
WILEY GENTRY OF WATAUGA FALLS NORTH CAROLINA.
TELLURIAN.
SPECIFICATION forming part of Letters Patent No. dated November 10 1903.
Application filed December 3 1902. Serial No . (No model)
To all whom it may concern:
Be it known that I WILEY GENTRY a citizen of the United States residing at Watauga Falls in the county of Watauga and State of
5 North Carolina have invented certain new and useful Improvements in Tellurians. of which the following is a specification.
This invention relates to the class of apparatus designed to illustrate celestial and terrestrial phenomena such as the phases of the moon the relation of the planets to one another the diurnal changes the vernal and autumnal equinoxes the annual seasons the eclipses the variation in the inclination of
5 the earth's axis and like wellknown facts connected with the heavenly bodies and terrestrial sphere.
For a full description of the invention and the merits thereof and also to acquire a knowl
2o edge of the details of construction of the means for effecting the result reference is to be had to the following description and drawings hereto attached.
While the essential and characteristic few
25 tures of the invention are susceptible of modification still the preferred embodiment of the invention is illustrated in the accompanying drawings in which
Figure 1 is a perspective view of a tellurian
30 embodying the invention. Fig. 2 is a side ele
vation the moonglobe and the diurnal circle
replacing the ring representing the moon's
orbit and the constellation representing the
seven pointers or little dipper. Fig. 3 is a
35 view showing the planet Uranus in position.
Fig. 4 is a perspective view illustrating the
phases of the moon the latter being in its
first quarter. Fig. 5 is a perspective view
showing the planet Saturn replacing the earth
40 globe. Fig. 6 is a detail view showing the
sunandplanet gearing in section. Fig. 7 is
a perspective view of the northpole pointer
detachably fitted to the upper portion of the
diurnal circle. Fig. 8 is a detail view of the
45 means for supporting the ring representing
the moon's orbit and the constellation desig
nated as the "seven pointers" or "little dip
per." Fig. 9 is a detail view of the seven point
ers or little dipper. Fig. 10 is a detail view
50 showing the manner of pivotally connecting
'the planisphere to its support the fuinesin
dicating the horizontal position of the plant
sphere and the dotted lines its vertical position. Fig. 11 is a detail perspective view showing the manner of pivotally and adjustably 55 connecting the spindle to the stem provided with the operatinghandle.
Corresponding and like parts are referred to in the following description and indicated
in all the views of the drawings by the same 6o reference characters.
The apparatus comprises a standard 1 which may be suitably supported in a perpendicular position the foot or stand being omitted. A frame 2 is mounted upon the stand 65 and 1 so as to turn about a vertical axis 3 and may be of any construction.. The vertical axis 3 may be a rod or post and is extended above the frame 2 to form a support for the planisphere 4 upon which is inscribed any 75 illustrative matter the same showing the relation of the sun planets fixed stars and sun spots. The planisphere 4 is hinged in any determinate way to a crosshead 5 affixed to the upper end of the post or axis 3 thereby 75 enabling the planisphere to be turned into an approximately vertical position for exhibiting to a class. The pivoted or rotatable frame 2 may be of any construction and as shown comprises an arm 6 to which the several parts are attached as will appear more fully hereinafter.
A rod 7 is firmly attached at its lower end to an end portion of the arm 6 and projects vertically therefrom and the sungear 8 is 85 secured thereto. A sleeve 9 is mounted upon the part 7 intermediate of the sungear 8 and arm 6 and is adapted to turn freely and a stem 10 projects therefrom and is provided with a grip 11. A spindle 12 is pivotally con 90 nected to the stem 10 so as to be adjusted to any desired angle within its range of movement with reference to the perpendicular and this spindle is adapted to receive the several attachments as will appear more fully 95 hereinafter. Any means may be provided for securing the spindle 12 in the required adjusted position and as shown the lower end of the spindle is flattened as indicated
at 13 and is confined between ears 14 of the loo stem 10 by means of a pivotfastening 15. A clampscrew 16 threaded into one of º the ears 14 is adapted to bear against the flattened portion 13 and secure it and the spindle
in the required position. A block 17 is loosely mounted upon the spindle 12 and is provided with an upwardly extending projection 1S and an approximately horizontal extension
5 19 forming a journal upon which is mounted the planetgear 20 a link 21 being pivoted to the outer end of the extension 19 and adapted to engage with the upper end of the post 7 so as to prevent turning of the block 17
i o upon the spindle 12. The block 17 is adapted to move upon the spindle 12 to adapt itself to the change of inclination thereof and the peripheral portion of the planetgear 20 is made rounding so as to engage with the sun
15 gear S in such a manner as to insure rotation thereof at any angular adjustment of the spindle 12. The opening in the block 17 through which the spindle 12 passes is sufficiently large to admit of play of the spindle
20 therein whereby binding is obviated. The planetgear 20 is adapted to turn freely upon the journal or extension 19 and receives motion from the sungear 8 when the frame 2 is turned about its axis 3 and the handle 11
25 held pointing in a given direction.
The earth globe 22 is mounted upon the spindle 12 and is freely rotatable thereon said spindle representing the axis of the earth. A stein 23 projects from the south pole of the
30 earthglobe and terminates in a globular head 24 which is in mesh with the planetgear 20 and receives motion therefrom. The sunglobe 25 is affixed to a vertical stem 26 in vertical alinement with the post or axis 3 of
35 the rotatable frame 2 said stein forming a part of a bracket 27 adapted to be fitted at its lower end to the arm 6 of the frame 2. A pointer 28 projects horizontally from the sunglobe 25 and is perpendicular to the earth
40 globe 22. The moonglobe 29 is attached to the upper end of a bracket 30 applied to the opposite end of the arm 6 and a pointer 31 projects therefrom toward the pointer 2S and alines horizontally therewith. When the sun
45 and moon globes are in position as shown in Fig. 2 the changes in the seasons and in the length of the days may be demonstrated as well as the vernal and autumnal equinoxes. The diurnal circle 32 encompasses the earth
5o globe and indicates the line dividing night from day the portion of the earth facing the sun representing day and the half facing away from the sun being in darkness or experiencing night. The north pole pointer
55 32' is provided with a clip 33 of any construction by means of which it may be detachably fitted to the upper portion of the diurnal circle as shown in Fig. 2 points to the north pole and indicates noon about the
6o 21st day of June and also indicates noon in a part of the United States about the 22d day of December.
For demonstrating the phases of the moon
a moonglobe 34 is provided and is connected
65 by an arm 35 to a globular shaped body 24
loosely mounted upon the spindle 12 and con
stituting a gear so as to receive motion from
the planetgear 20 as the frame 2 is rotated about the axis 3 with the handle 11 pointing
in a given direction. A counterbalancing 7o weight 37 is connected to the part 24 by a stem 38 so as to equalize the weight upon the spindle 12 and obviate lateral or torsional strain and insure correct movement of the parts in demonstrating the moon's phases.
The orbit of the moon is represented by the ring 39 which is connected by arms 40 to a collar 41 fitted upon the upper end of the spindle 12 and having a tubular stem 42 projected therefrom to receive the lower end of 8o a standard 43 to the upper end of which is
affixed the constellation known as the "seven pointers" or "little dipper" the north star 44 being in line with the standard 43. An observer standing upon the earth as shown 85 at 45 must needs lower the telescope in order to view the six pointers from the position shown in Fig. 1. An observer at the diametrically opposite side of the earth on a parallel of latitude gazing at the north star must 90 of necessity raise the telescope in order to view the six pointers. This demonstrates why in one instance it is necessary to lower the telescope and in another instance to raise the telescope in order to view the six pointers when moving the telescope from a position in line with the north star.
It has been observed that in the summer season the rays of the sun shine into the north door or window of a house facing north and south both in the morning and evening. This is demonstrated by the object 46 representing a house facing north and south. In the morning the rays from the sun 25 enter the north door or window of the house at one angle and in the evening the rays enter the same door or window at a different angle this being due to the north side of the house facing the sun at diametrically opposite points.
In Fig. 5 the globe 54 and annulus 55 represent the planet Saturn and its rings placed upon the spindle 12 and provided with a stem 47 similar in construction to the stem of the earthglobe and in mesh with the planetgear
20 so as to be rotated thereby in the revolu r 15 tion of the frame 2 about the axis 3. As shown in said figure the planet and its rings face the sun thereby illustrating the outline of the rings the inner ethereal ring being in practice represented by a metal or material of contrasting color from the adjacent and the outer spaced rings.
Fig. 3 represents the planet Uranus 53 about in the plane of the ecliptic and having its axis
at a right angle to the spindle 12 said planet r 25 having a stem 4S in mesh with a sleeve 49 loosely mounted upon the spindle 12 and deriving motion from the planetgear 20. The globe 53 designating the planet Uranus is mounted upon the spindle projected from a block 50 corresponding to the block 17 and ' loosely mounted upon the spindle 12 and having a pendent extension 51 connected by a tube 1 52 with the upright extension 18 of the block
75
95
I aC IC5
rro
I2C
13
17. This manner of mounting the planet Uranus holds it in the plane of the frame 2 while yet admitting of the planet turning about its axis when the frame 2 is revolved
5 about its axis 3.
Having thus described the invention what is claimed as new is
1. In a tellurian a frame revoluble about a vertical axis a sungear mounted upon the o frame a spindle supported by said frame and adapted to have its inclination varied a block loose upon the spindle and held from turning thereon and a planetgear journaled to said block and deriving motion from said sun
! 5 gear substantially as described.
2. In a tellurian a frame revoluble about a vertical axis a sun gear fixedly mounted upon the frame a spindle supported by said frame and adapted to have its inclination
o varied a block loose upon the spindle and prevented from turning thereon and a planet gear journaled to said block and in mesh with the sun gear substantially as and for the purpose specified.
25 3. In a tellurian the combination of a sungear having a vertical axis a stem mounted in coaxial alinement with said sun gear a spindle pivotally connected with said stem means for securing the spindle in an adjust
30 ed position and a planetgear in mesh with the sungear and having its bearing loosely connected with said spindle but held from turning thereon substantially as described.
4. In a tellurian the combination of a sun
35 gear having a vertical axis a stem mounted in coaxial alinement with said sungear a spindle pivotally connected with said stem means for securing the spindle in an adjusted position a block loose upon the spindle a planet
40 gear journaled to said block and in mesh with the sungear and a link loosely connecting said block with the axis of the sungear to prevent turning of the block upon its spindle substantially as specified.
4 5 5. In a tellurian the combination of a sungear having a vertical axis a stem mounted in coaxial alinement with said sungeara spindle pivotally connected with said stem means for securing the spindle in an adjusted posi
5 o tion a block loosely mounted upon the spindle and having an extension forming a journal a
planetgear mounted upon said journal and in mesh with the sungear and a link having pivotal connection with said journal and loose connection with the axis of the sungear substantially as set forth.
6. In a tellurian the combination of a vertical axis a sungear mounted upon said axis a stem loosely mounted upon said axis and provided with a grip constituting a handle a 6o spindle having pivotal connection with said stem means for securing the spindle in an adjusted position and a planetgear having its mounting loosely connected with the spindle and having its peripheral portion made round 65 ing so as to make positive connection with the sungear at all adjustments of the spindle substantially as set forth.
7. In a tellurian the combination of a frame revoluble about a vertical axis a sungear fix 7o edly mounted upon the frame a stem mounted in coaxial alinement with the vertical axis of the sungear a spindle pivotally connected with said stein means for securing the spindle in an adjusted position a planetgear having its mounting loosely connected with the spindle an arm provided at one end with a globe and having a gear at its opposite end loosely mounted upon the said spindle and deriving motion from the planetgear and a 8o second globe mounted upon the spindle substantially asset forth.
8. In a tellurian the combination of a frame revoluble about a vertical axis a fixed sungear carried by said frame a stem mounted 85 in coaxial alinement with the vertical axis of the sungear a spindle pivotally connected with said stein means for securing the spindle in an adjusted position a planetgear having its mounting loosely connected with the 90 spindle an earth globe mounted upon the spindle and deriving motion from the planetgear a diurnal circle in the plane of the vertical axis of the sungear and a northpole pointer applied to the upper end of the diurnal circle substantially as specified.
In testimony whereof I affix my signature in presence of two witnesses.
WILEY GENTRY. [L. s.] WTitnesses :
GENEVIEVE MATTHEWS
JNO. ROBB.
55
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