This pack of SMI surveying card overlays is designed for use with HP 48 series calculators, including 48S, 48SX, 48G, and 48GX models.
The pack includes three replacement overlays, which are available in white, transparent, Survey GX, Survey Pro, and SMI Surveying options.
These overlays are designed to be used in conjunction with SMI surveying cards, and are sold separately from the calc…

This vintage surveying instrument set features a plane table alidade in a protective case, manufactured by Gurley in the early 20th century.
Measuring approximately 11 inches in length, this antique piece offers a glimpse into historical engineering practices. The set's high-end value reflects its quality craftsmanship and the precision associated with Gurley instruments of that era.
A un…

The RetroTech Calculator Collection offers a range of TDS 48Cogo Survey overlays designed for HP 48 calculators (48S, 48SX, 48G, 48GX).
These replacement overlays are specifically designed for use with TDS Survey cards, providing a convenient and efficient solution for surveying professionals.
The collection includes a variety of options, such as white, transparent, Survey GX, Survey Pro,…

This is a historical resource from 1898 called "The Transit," which was a publication of The University of Iowa College of Engineering.
It contains a surveying volume with interesting ads and was edited by undergraduate students. The item is in excellent condition, but there is a tear on one page.
The photographs provided are clear and accurate, and potential buyers are encouraged to view…

Immerse yourself in the art of scrapbooking with the Honey Home Craft Set.
This kit offers a variety of unique card designs, each thoughtfully crafted to inspire your creativity. Made with acid and lignin-free materials, these cards are safe for scrapbooking and ensure archival quality for your cherished memories.
Additionally, the set may include cardboard inserts and bubble wrap for sec…