Finials & set keys

Pineapple finial, 1 7/16" showing

Early style finial, large, 1 3/4" showing

Early style finial, medium, 1" showing

Early style finial, small, 3/4" showing

Small acorn finial, 1" showing

Medium traditional finial, 1 5/8" showing

Narrow finial, 1 9/16" showing

Medium finial, squat, 1 3/8" showing

Ivory finial thin style (mid to late victorian wheel barometers)
1 7/16" tall x 3/8" wide. Genuine Ivory, needs aging to suit.

Large traditional finial suitable 10" and 12" barometers, 2 1/16" showing

Urn shaped finial, 1 3/8" showing

Ivory urn finial, 1 3/8" tall x 5/8" wide

Edwardian heavy finial, 2 3/8" showing, max o/d 7/8"

German aneroid top finial, wood

German aneroid bottom finial, wood

German aneroid middle finials, pair

Ivory topped set key, (made to order from old ivory as available)
Approx outside diameter is 24.5mm
The large end of square hole in key is 2.33 mm which tapers smaller to max depth of 12mm
Supplied unstained

Bone topped set key, (can be nicely aged if stained slightly with water stain, we often soak in vinegar first to open the grain a little)
Most old barometers had bone set keys, these are genuine bone.
Approx outside diameter is 23.5mm (but hand turned so variations)
The large end of square hole in key is 2.33 mm which tapers smaller to max depth of 12mm
Supplied unstained.
We can also supply smaller keys for stick barometers singly or paired - please enquire.

Oak set key, approximately outside diameter 7/8" diameter
The large end of square hole in key is 2.33 mm which tapers smaller to max depth of 12mm
hand turned to order - if pair wanted please state.
Supplied unpolished.

Mahogany set key, approximately 7/8" diameter
Approx outside diameter is 24.5mm
The large end of square hole in key is 2.33 mm which tapers smaller to max depth of 12mm
Hand turned to order - If pair wanted please state
Supplied unpolished

Walnut set key, approxiamately 7/8" diameter
Approx outside diameter is 24.5mm
The large end of square hole in key is 2.33 mm which tapers smaller to max depth of 12mm
Hand turned to order - if pair wanted please state.
Supplied unpolished

Ebony set key, approxiamately 7/8" diameter
Approx outside diameter is 24.5mm
The large end of square hole in key is 2.33 mm which tapers smaller to max depth of 12mm
Hand turned to order - if pair wanted please state
Supplied unpolished

Ship's style set key, bone, ¾" diameter
These are slightly smaller diameter than wheel barometer keys and have turned edge as well as front. Typical for georgian/Victorian ships barometers. Hand turned to order - if pair wanted please state.
Approx outside diameter is 24.5mm
The large end of square hole in key is about 2.33 mm which tapers smaller to max depth of 12mm

Set key spindle to make your own set keys.
Unlike clock keys there was no standard size or design on barometer keys.
The large end of square hole in key is approx 2.33 mm which tapers smaller to max depth of 8mm
Hole can be enlarged with square needle file and some time! if required, or more commonly the shaft on the barometer can be carefully filed to fit if needed.

Set key spindle to make your own set keys, with square top for riveting or gluing wood top
(square helps stop top revolving)
Unlike clock keys there was no standard size or design on barometer keys.
The large end of square hole in key is approx 2.33 mm which tapers smaller to max depth of 12mm
Hole can be enlarged with square needle file and some time! if required, or more commonly the shaft on the barometer can be carefully filed to fit if needed.

Set key spindle (small) to mak your own keys. The shaft has indent where a plaited cord can be fixed to secure key from being misplaced.
Unlike clock keys there was no standard size or design on barometer keys.
This small key suits some fine Georgian stick barometers with small square shank on vernier adjuster.
The large end of square hole in key is approx 1.8 mm which tapers smaller to depth of about 8mm
Hole can be enlarged with square needle file and some time! if required, or more commonly the shaft on the barometer can be carefully filed to fit if needed. 20mm long shaft showing under top when made, with a 2mm solid sq. fixing for riveting knob being 12mm long.

Imitation ivory set key, hand riveted
Approx outside diameter is 25mm
The large end of square hole in key is 2.33 mm which tapers smaller to max depth of 12mm
Made from thermal seting modern material, cheaper than bone (for a reason! do not return if the tops revolve)

Brass collet for around the set key spindle. Also used for gimbal collets on ships barometers

Cast Brass set key.
Approx outside diameter is 22mm
The large end of square hole in key is about 2.33 mm which tapers smaller to max depth of 9mm
Some early Victorian or Late Georgian Wheel barometers used this type of key.

Mother-of-pearl set key, Approx outside diameter is 24mm
The large end of square hole in key is about 2.33 mm which tapers smaller to max depth of 12mm
If you have ever worked M.O.P. you'll know just how tough it is!
To special order we can make engraved patterned types.