This 19th Century Ophthalmic Sciascope is a rare antique optical instrument from the early 1900s, designed for determining diopters for eyeglasses.
Featuring plus and minus indicators on the handle, this piece offers a glimpse into historical optometry practices. Despite its age, the sciascope remains in good condition, with the exception of a missing -1 diopter lens.
Measuring 22 inches …

The Boss Audio MC 420B is an all-terrain speaker and amplifier system designed for marine audio equipment.
It comes with built-in Bluetooth connectivity, allowing for wireless audio streaming from compatible devices such as smartphones.
The system also features an aux input for connecting external audio devices like MP 3 players or smartphones. The Class A/B amplifier circuitry ensures hi…

This vintage capital certificate from the early 1900s is a unique piece of scripophily, featuring an unissued edition with a perforated stub measuring 4" x 8.5".
The antique capital shares form adds a touch of history and authenticity to any collection. Considered a bargain, this certificate offers a glimpse into the financial world of the past, making it a valuable addition for enthusiasts o…

This Optical Wireless Mouse Set offers adjustable DPI settings of 800, 1200, and 1600 for precise cursor control.
With a 2.4GHz wireless connection, it provides a reliable working distance of up to 10m. The compact mini design makes it highly portable for use at home, in the office, or while traveling.
Its slim ergonomic design ensures comfort during extended use, fitting comfortably in y…

This vintage sterling silver flatware catalog showcases a collection of 83 unique pieces, with an additional 20 pieces listed as available but not illustrated.
The pattern featured in this catalog dates back to 1907, providing a glimpse into the craftsmanship of that era. The catalog likely originated around 1907-1908, offering a historical perspective on antique silverware.
With its deta…

The Kentek Molded DB 9 Male to Male Serial Adapter Pin Connector is a legacy computer cable designed to extend or connect a DB 9 cable to another DB 9 cable.
It is a straight through pin setup and is primarily used for connecting serial peripheral devices such as mice, keyboards, and joysticks to a PC.
The adapter is RoHS, UL, CSA, and ISO 9001:2000 compliant, ensuring that it meets high …

The Midland Device Battery by Kastar is a high-capacity battery designed for Two-Way Radios.
With a battery voltage of 6.0V and a battery capacity of 1000mAh, this Ni-MH battery provides ultra-strong power for your devices to perform well and operate longer.
Kastar has added a mix-protection additive to the cathode of batteries to protect the material from degradation in the progress of c…

The V-Tech Replacement Battery Pack is a high-capacity Ni-MH battery designed for cordless phones.
With a capacity of 800mAh, it provides ultra-strong power for your devices to perform well and operate longer. The battery is equipped with mix-protection additives to the cathode, which protect the material from degradation during the charge and discharge process, extending the lifespan of the …

The Vtech Phone Battery - Kastar Replacement is a high-capacity battery designed for cordless phones.
With a capacity of 1000mAh and a voltage of 2.4V, this Ni-MH battery provides ultra-strong power and longer run time for your devices.
The battery is also equipped with mix-protection additive to protect the material from degradation during charge and discharge, which extends the lifespan…

The Enhanced IP Address Detector and Server Pro is a high-end PLC processor designed for BOOTP/DHCP enabled Ethernet/IP devices.
This portable and battery-powered device can detect the IP address of most industrial control devices and replaces your computer-based BOOTP/DHCP server.
With simple four-button control, it quickly assigns any IP address to any industrial BOOTP or DHCP enabled c…