Endurance II 105 Open Dial Barometer — Weems & Plath
Compact, Mechanical Weather Instrument • Porthole-Style Brass
The Endurance II 105 Open Dial Barometer is a compact, marine-grade instrument engineered for dependable atmospheric measurement in a classic porthole form. Light, strong, and durable, this holosteric (aneroid) barometer measures air pressure mechanically—without liquids—making it reliable, precise, and ideal for both onboard and shore installations.
Finished in maintenance-free brass and designed to withstand demanding environments, it delivers professional accuracy in a space-efficient format.
🌦️ Key Features
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🧭 Compact open dial — clear, legible readings in a smaller footprint
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⚙️ Temperature-compensated aneroid movement — fully adjustable for consistent accuracy
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📏 Dual scales — inches and millibars
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⛰️ Altitude calibrated — accurate up to 3,500 ft above sea level
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✨ Ultra-hard brass finish — maintenance-free and guaranteed never to tarnish
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🌊 Weather-resistant construction — suitable for marine and coastal use
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🔍 Bevelled glass crystal — durable and easy to read
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⚓ Porthole-style front-opening bezel — traditional marine aesthetic
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🛠️ Flexible mounting — suitable for boat or shore installations
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🛡️ Lifetime warranty — on finish and movement
Optional accessories: Single wood base available separately in Black or Mahogany (models 105SB & 105SM).
⚓ Built for Accuracy & Durability
At the heart of the Endurance II 105 is a temperature-compensated, fully adjustable aneroid movement calibrated for reliable readings across changing conditions. The open-dial, porthole design provides classic marine character while maintaining practical performance in a compact housing.
📐 Dimensions & Specifications
| Specification |
Details |
| Dial Diameter |
81 mm (3 1⁄5″) |
| Overall Diameter |
121 mm (4 3⁄4″) |
| Depth |
54 mm (2 1⁄8″) |
| Weight |
0.8 lbs |
| Movement |
Temperature-compensated aneroid |
| Scales |
Inches & millibars |
| Case Finish |
Ultra-hard brass (maintenance-free) |
| Glass |
Bevelled crystal |
| Mounting |
Boat or shore |
| Warranty |
Lifetime |
🎯 Ideal For
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🚤 Smaller vessels, cabins, and cockpits
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🏡 Coastal homes and studies
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⚓ Traditional nautical interiors
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🎁 Compact, professional weather instruments
Important: This item is supplied to order. Please allow up to 10 working days for delivery.
The Endurance II 105 Open Dial Barometer offers reliable mechanical accuracy in a compact, classic form—engineered to perform, finished to endure.
Add a space-efficient, marine-grade barometer to your setup and monitor changing conditions with confidence.