1900 OR VERY CLOSE BY SERIAL NUMBER. MADE BY WILSON WARDEN CO. A Mahagony Barograph / Stormograph. IT’s WORKING. 3155 39/48 A GREAT NEAT TOY FOR THE BIG BOYS STEAMPUNK OR JUST TECHNICAL GUYS. THE SIZE IS: 12 1/4 INCH LENGTH X 6 INCH WIDE BY 7 5/8 HIGH, MEASURED AT THE TOP NOT INCLUDING THE LITTLE FEET THAT WOULD ADD A BIT TO THE MEASUREMENT. THE ONE BRASS CLOSING HOOK TAB IS REPLACED AT SOME TIME, SEE PHOTO OF THE BOTTOM OF THE CASE SHOWING BOTH TABS. THE TOP HANDLE IS THE ORIGINAL CAST BRASS HANDLE. THE CENTER OF THE PAPER GRAPH BARREL IS WHERE THE SQUARE STEM IS FOR THE KEY AND WHERE THE KEY IS KEPT FOR WINDING THE BAROGRAPH. THE ORIGINAL GLASS INK BOTTLE IS IN THE STAND. THE POINTER ON THE LONG THIN WIRE ARM IS FILLED WITH A FEW DROPS OF INK YOU WIND UP THE BARREL AND MIGHT SHAKE THE BAROGRAPH SIDEWAYS TO GIVE IT A START OR NOT DEPENDING. YOU CAN HERE IT TICKING WHEN IT IS RUNNING. THE THIN METAL ARM HAS UNDER THE FRONT A BRASS LEVER THAT CONTROLS THE BRASS ROD TO GIVE TENSION TO THE THIN WIRE ARM. THE THIN WIRE ARM HAS A BRASS BOSS ON THE END WITH A SCREW FOR ADJUSTING IT TO THE CURRENT BAROMETRIC PRESSURE TO START AND YOU LINE UP THE BARREL GRAPH TO THE DAY OF THE WEEK YOU ARE STARTING AT. THE BAROGRAPH HAS A DRAWER FOR STORING THE THIN WIRE ARM FOR TRAVELING OR A SPARE ARM. THERE IS A PUSH BUTTON ON TOP TO MOVE THE THIN WIRE ARM UP TO MAKE A LINE IN THE GRAPH. A REAL NEAT THING.. THESE WERE USED BY METEROLOGISTS AND SAILING PEOPLES ETC. AS PRESSURE WAS VERY IMPORTANT FOR FORCASTING STORMS COMING DOWN THE COAST. NOW THEY USE FELT PADS INSTEAD OF INK IN THE THIN WIRE ARM, YOU MIGHT GET ONE AND SOME GRAPH PAPER AND HAVE SOME FUN WITH THIS MACHINE. Be sure to add me to your favorites list. Parts Timepieces Craft Art watch. Repairman estates and material. House findings from 40 years travels. Israel or India must have USA. Acceptance of the Sale, to many. Items lost not delivered and charged. Check out my other items! The item “1900 WILSON WARDEN CO LONDON Mahagony Barograph Stormograph WORKING NO. 3155″ is in sale since Thursday, April 29, 2021. This item is in the category “Antiques\Science & Medicine (Pre-1930)\Scientific Instruments\Barometers”. The seller is “partimeart” and is located in Tampa, Florida. This item can be shipped worldwide.
- Brand: WILSON WARDEN & CO LTD LONDON
- Maker: WILSON WARDEN & CO LTD LONDON
- Original/Reproduction: Original
- Time Period Manufactured: Pre-1930
- Modified Item: No
