1 FIELD OF THE INVENTION The present invention relates to a measuring device, which can be used in the measurement and positioning of a nogging in the construction of a building frame such as a wall frame structure. DESCRIPTION OF THE PRIOR ART A conventional building frame such as wall frame comprises an outer frame and a plurality of evenly spaced studs, extending vertically between the top and bottom members of the frame. Noggings, which are short pieces of timber or other material, are then positioned and fixed between the plurality of vertical studs, to provide additional support and stability to the overall wall frame structure. Conventionally, the frame and studs are assembled and constructed on the ground, prior to erecting and installing the frame onto the main building structure. Once the frame and studs are fixed in place, the position of the noggings must be determined and marked. This can be a laborious and time-consuming task, requiring the position and height of each nogging to be determined and marked one each individual stud. A conventional measuring device such as a tape measure or even string can often be used to measure and mark the desired position at which the nogging should be affixed. However, it can be difficult to maintain a fixed length or position when using these measuring devices. As a result, there can be a degree of inaccuracy when measuring and positioning the noggings. A further consequence of inaccurate measurement can result in the incorrect positioning of Gyprock or plaster board sheets onto the wall frame structure thereafter.
2 Furthermore, correcting and re-measuring the desired lengths and positions of the noggings can be time-consuming. OBJECT OF THE INVENTION The object of the present invention is to provide a measuring device that enables efficient and accurate measurement and positioning of a logging onto a stud within building structures such as a wall frame structure, compared to that of conventional measuring devices used. The present invention is an adjustable measuring device comprised of two telescopically inter-fitting members. The first member possesses a plurality of spring-biased buttons disposed at pre-defined positions along its length and can be slidably adjusted, with respect to the second member. The second member possesses a plurality of recesses disposed at pre-defined positions along its length. These recesses are equally spaced apart such that when the first member is adjusted to the desired length, only one of the spring-biased buttons disposed along the first member, can align and be resiliently urged into a recess of the second member. This effectively interlocks the two members together, forming a total desired length. A lip locating and protruding from the back face of the second member can locate a Jower edge of a horizontal frame member, allowing for the measuring device to be securely positioned against a wall frame. The desired height and position of the nogging along the vertical stud can then be accurately marked along using the back face of the first member. The device is adjustable for noggings required at any height, within a range of pre-determined heights. The device is advantageous in that it provides an efficient and accurate method of measuring the desired height for positioning a nogging. The interlocking function of 3 the device ensures an accurate measurement as does not require the user to re adjust or re-measure the height desired for every position along each individual stud. Furthermore, the device can be easily adjusted to another pre-defined height by depressing and disengaging a spring-biased buttons from a recess. The first member can be slidably adjusted such that the spring-biased button can align and be resiliently urged into a recess at another pre-defined position. Other objects and advantages of the present invention will become apparent from the following description, taken in connection with the accompanying drawings, wherein, by way of illustration and example, an embodiment of the present invention is disclosed. SUMMARY OF THE INVENTION In one form of the invention, although this should not be seen as limiting in any way, there is proposed a measuring device, when used in the measurement and positioning of a nogging in the construction of a building frame structure, such as a wall frame structure, having two telescopically interconnecting members, wherein a first member is slidably adjustable, with respect to a second member to form a contiguous length of total desired length, the first and second members having a body with a front and a back face, the first member is characterised in that it has at least two spring-biased buttons disposed on the front face at pre-defined positions, the second member is characterised in that it has at least two recesses disposed on the front face at pre-defined positions, the recesses being spaced apart such that only one spring-biased button disposed on the front face the first member can align and be resiliently urged into a recess disposed on the front face of the second member. Preferably, the second member is further characterised in that it has a lip protruding from the back face, such that when the measuring device, when used in the measurement and positioning of a nogging in the construction of a building 4 frame structure, such as a wall frame structure, can locate a lower edge of a horizontal wall frame member by means of this lip protruding from the back face of the second member. In a further form of the invention, there is a method of measuring and positioning a nogging within a building frame structure such as a wall frame structure, the method including the steps of adjusting the measuring device to a desired height, via slidably extending the first member such that a spring-biased button disposed at a pre-defined position on the front face of the member, aligns and be resiliently urged into a recess disposed at a pre-defined position on the front face of the second member, which corresponds to a desired height, followed by positioning the lip protruding from the back face of the second member, such that it locates a lower edge of a horizontal member of the wall frame structure and marking the desired height and position of the nogging on the vertical stud using the back face of the first member. The measurements and positions of additional noggings at the same desired height can be determined by repeating these steps. Alternatively, the noggings may be required to be arranged in a staggered orientation, at varying heights. In this instance, the measuring device can be easily adjusted by depressing a spring biased button disposed on the front face of the first member, such that it disengages from a recess disposed on the front face of the second member. The first member can then be slidably adjusted so that a spring-biased button disposed at a pre-defined position on the front face of the first member can align and be resiliently urged into a recess disposed at another pre-defined position on the front face of the second member, corresponding to an alternative height.
BRIEF DESCRIPTION OF THE DRAWINGS For a better understanding of the present invention and associated method of use, it will now be described with respect to the preferred embodiment which shall be described herein with reference to the accompanying drawings wherein: Figure 1 is a disassembled view of the preferred embodiment of the invention, illustrating the first and second members of the measuring device; Figure 2a-2d are perspective views of the invention, wherein the first and second members are interconnected to form a total desired height; Figure 3 is a perspective view of a partially assembled wall frame structure, requiring a logging to be positioned and affixed; Figure 4 is a perspective view of the measuring device and its intended use to measure and determine the position of a logging within a wall frame structure; Figure 5 is a perspective view of an assembled wall frame structure, complete with all the required logging affixed; Figure 6 is a perspective view of an assembled wall frame structure with an alternative arrangement of noggings. DETAILED DESCRIPTION OF THE INVENTION Referring to Figure 1, where there is illustrated a disassembled view of a measuring device (1) comprised of two members, a first member (2) and a second member (3). The first (2) and second (3) members are adapted to form a telescopically sildable fit. The first member (2), having a body with a front face (4) and a back face (5), is adapted to be slidably adjusted with respect to the second member (3), forming a 6 contiguous length of total desired length. The first member (2) having at least two spring-biased buttons (6) disposed at pre-defined positions on the front face (4). The second member (3) having a body with a front face (7) and a back face (8) wherein at least two recesses (9) are disposed on the front face (7) at pre-defined positions. The recesses (9) being spaced apart such that only one spring-biased button (6) disposed at a pre-defined position on the front face (4) of the first member (2) can align and be resiliently urged into one recess (9) disposed at a pre-defined height on the front face (7) of the second member (3). The spring-biased buttons (6) disposed on the front face (4) of the first member (2) at pre-defined positions, are adapted such that they can have an interlocking position or an offset position, with respect to the recesses (9) disposed at pre defined positions on the front face (7) of the second member (3). Once adjusted to a desired height, a spring-biased button (6) disposed at a pre-defined position on the front face (4) of the member, can align and be resiliently urged into an interlocking position with a recess (9) disposed at a pre-defined position on the front face (7) of the second member (3). Effectively, the first (2) and second (3) members become interlocked forming a contiguous length of total desired length. Alternatively, the measuring device (1) can be re-adjusted to another desired height wherein a spring-biased button (6) can be depressed into an offset position to disengage from a recess (9) disposed on the second member (3). In the offset position, the spring-biased button (6) and recess (9) are no longer interlocked and as such the first member (2) can be slidably adjusted with respect to the second member (3) to another desired height. There is a lip (10) protruding from the back face (8) of the second member (3). The lip (10) can locate a lower edge of a horizontal member of a wall frame structure and effectively provides a means of positioning and securing the measuring device 7 (1) against the wall frame structure. This ensures that an accurate height and position is determined for a nogging (11) to be affixed. Figures 2a-2d depict the measuring device (1) wherein the first (2) and second (3) members are interconnected forming a contiguous length. The measuring device (1) is slidably adjusted to various required heights, within a range of heights. The range of heights is determined by the pre-defined recesses (9) disposed on the front face (7) of the second member (3). The first member (2) is adjusted such that a spring-biased button (6) disposed at a pre-defined height on the front face (4), aligns and resiliently urged into a recess (9) disposed on the front face (7) of the second member (3), which corresponds to a desired height. Effectively, the total length of the measuring device (1) correlates to the desired height for a nogging (11) to be positioned and affixed on a vertical stud within a wall frame structure. The lip (10) protruding from the back face (8) of the second member (3) locates can lower edge of a horizontal member of a wall frame, effectively allowing for the measuring device (1) to be positioned against the wall frame. The height and position of a nogging (11) is marked using the back face (5) of the first member (2). Figure 3 illustrates an incomplete wall frame structure (12), which requires a nogging (11) to be affixed between the vertical stud (13) and vertical frame member (14). The noggings (11) are required to provide additional support and stability to the overall wall frame structure (12). Furthermore, the noggings (11) provide a means for positioning and affixing plaster board sheets (15) to the wall frame structure (12) thereafter. Figure 4 illustrates a method of using the measuring device (1) to measure and determine the height and position for a nogging (11) to be affixed. The measuring device (1) is adjusted to the desired height wherein a spring-biased button (4) disposed at a pre-defined height on the front face (4) of the first member (2) aligns and is resiliently urged into a recess (9) disposed at the desired height on the front face (7) of the second member (3). The total length of the measuring device (1) correlates to the desired height and position for the nogging (11). The measuring device (1) is positioned against a wall frame structure (12) by means of the lip (10) protruding from the back face (7) of the second member (3) ,which locates the lower edge of a horizontal member (16) of the wall frame structure (12). The height and position of the nogging (11) is effectively marked on the vertical stud (13) using the back face (5) of the first member (2). The same height can be determined and marked on the corresponding vertical frame member (14) of the wall frame structure (12), via repetition of the above steps. The measuring device (1) does not need to be re-adjusted to achieve the same desired height, ensuring that a correct and accurate position of the nogging (11) thereafter. Figure 6 depicts the completed wall frame structure (17) with all the required noggings (11) fixed in place. In this instance, the noggings (11) are arranged in a staggered orientation. Alternatively, as illustrated by Figure 7, the noggings (11) may be positioned and affixed at the same height between the vertical studs (13) within a wall frame structure (12). The measuring device (1), when used in the manner described, allows for accurate and efficient measurement and positioning of noggings (11) within a wall frame structure (12). Although the invention has been herein shown and described in what is conceived to be the most practical and preferred embodiment, it is recognised that departures can be made within the scope of the invention, which is not to be limited to the details described herein but it is to be accorded the full scope of the appended claims so as to embrace any and all equivalent devices and apparatus.