Fast Delivery A Japanned And Lacquered Brass Mountain Fortin Barometer By Pasterelli For You [wrMJdEKq]

A Rare Fortin-Type Mercury Stick Barometer

Introducing a truly exceptional piece of scientific craftsmanship, the "Fast Delivery A Japanned And Lacquered Brass Mountain Fortin Barometer By Pasterelli For You [wrMJdEKq]." This barometer, crafted by the esteemed firm of Pasterelli and Rapkin, is a testament to the precision and artistry of early 20th-century instrument making. With its sleek cylindrical case and precise mercury stick, this instrument is not just a tool for measuring atmospheric pressure but a piece of history. The Fortin-type design ensures accuracy, while the glazed cistern allows for calibration against an inverted conical ivory cone, ensuring consistent readings. This barometer is a must-have for collectors and enthusiasts of scientific instruments.

• Fortin-type design for accuracy
• Glazed cistern for calibration
• Unusual scale ranging from 20 to 32.5 inches

Technical Specifications and Features

This barometer is a marvel of engineering and design. The slender cylindrical case is pierced with a vertical slot, revealing the tube and sliding Vernier collar. The scale is meticulously calibrated in barometric inches, ranging from 20 to 32.5 inches, and is complemented by a millibar scale on the left. The shaft features a Vernier adjustment disc for precise readings, and the signature "PASTORELLI & RAPKIN, 46 HATTON GARDEN, LONDON" is engraved for authenticity. Additionally, the instrument includes a Fahrenheit and Centigrade scale thermometer with a canted scale and enclosed bulb. The base, with its cylindrical glass chamber and inverted ivory level pointer, is a testament to the attention to detail that went into this piece.

• Slender cylindrical case with vertical slot
• Calibrated scale ranging from 20 to 32.5 inches
• Engraved signature and address for authenticity

Practical Applications and Target Audience

This exquisite barometer is not just a decorative piece; it is a functional instrument with practical applications. Its ability to read particularly low pressures makes it ideal for use at high altitudes, earning it the nickname "mountain barometer." This feature makes it a valuable tool for mountaineers, scientists, and anyone interested in atmospheric pressure. The unusual scale and precise design ensure that this barometer will be a reliable companion for years to come. Whether you are a collector, a scientist, or an adventurer, this Fortin-type barometer by Pasterelli is a perfect addition to your collection.

• Practical for high-altitude use
• Valuable for scientists and mountaineers
• Perfect for collectors and enthusiasts