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Model, of Oblique Notched Secret Mortice and Tenon carpentry joint, with round peg fitted, joining two beech-wood blocks: both stamped with ‘61’ and ‘52’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Oblique Notched Secret Mortice and Tenon carpentry joint

1868

Model, of Tenoned and Tabled Scarf carpentry joint, with round peg fitted, joining two beech-wood blocks: stamped with ‘18’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Tenoned and Tabled Scarf carpentry joint

1868

Model, of Bridle and Secret Halving carpentry joint, with two round pegs fitted, joining three beech-wood blocks: stamped and over-laid in ink with ‘65’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Bridle and Secret Halving carpentry joint

1868

Model, of Oblique Dovetail Halving carpentry joint, joining two beech-wood blocks: stamped with ‘43’ on block with Dovetail ‘Socket’; and stamped, plus written in ink with ‘43’ on block with Dovetail ‘Tail’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Oblique Dovetail Halving carpentry joint

1868

Model, of Secret Mortice and Tennon carpentry joint, joining two beech-wood blocks: stamped with ‘58’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Secret Mortice and Tennon carpentry joint

1868

Model, of Dovetail-Halving ‘Socket’ carpentry joint, on single beech-wood block: stamped with ‘38’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit with (1868-31/33) Model, of Dovetail-Halving ‘Tail’ carpentry joint, on single beech-wood block: stamped with ‘38’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Dovetail-Halving ‘Socket’ carpentry joint

1868

Model, of Under-Squinted Double-Hooked and Tabled Scarf carpentry joint, with two apertures for wedges, but only one-wedge fitted, joining two beech-wood blocks: one is stamped with ‘26’ and the other is stamped with ‘23’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Under-Squinted Double-Hooked and Tabled Scarf carpentry joint

1868

Model, of Under-Squinted Tabled Scarf carpentry joint, on single radiused beech-wood block: over-laid in ink with ‘66’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Under-Squinted Tabled Scarf carpentry joint

1868

Model, of Oblique Bridle carpentry joint, with round peg fitted, joining two beech-wood blocks: stamped with ‘11’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Oblique Bridle carpentry joint

1868

Model, of Tenoned Under-Squinted and Tabled Scarf carpentry joint, with centre wedge fitted, joining two beech-wood blocks: stamped with ‘20’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Tenoned Under-Squinted and Tabled Scarf carpentry joint

1868

Model, of Tenoned Scarf carpentry joint, with central wedge fitted, joining two beech-wood blocks: stamped with ‘17’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Tenoned Scarf carpentry joint

1868

Model, of Crossed Tenon carpentry joint, on single beech-wood block: stamped with ‘35’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit (1868-31/63) Model, of Crossed Tenon carpentry joint, on single beech-wood block: stamped with ‘35’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Crossed Tenon carpentry joint

1868

Model, of Under-Squinted Tabled Scarf with ‘V’ ends carpentry joint and centre wedge fitted, joining two beech-wood blocks: stamped with ‘22’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Under-Squinted Tabled Scarf with ‘V’ ends carpentry joint and centre wedge fitted

1868

Model, of Stopped Housing carpentry joint ‘Socket’, with bevelled leading edge, on single beech-wood block: stamped with ‘46’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit with (1868-31/48) Model, of Stopped Housing carpentry joint ‘Pin’, with bevelled leading edge, on single beech-wood block: stamped with ‘46’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Stopped Housing ‘Socket’ carpentry joint

1868

Model, of Tusk Tenon carpentry joint, with Wedge, joining two beech-wood blocks: stamped with ‘56’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Tusk Tenon carpentry joint

1868

Model, of Secret Bridle carpentry joint, joining two beech-wood blocks: stamped and over-laid in ink with ‘49’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Secret Bridle carpentry joint

1868

Model, of Under-Squinted and Tabled Scarf carpentry joint, with centre wedge fitted, joining two beech-wood blocks: stamped with ‘21’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Under-Squinted and Tabled Scarf carpentry joint

1868

Model, of Dovetail carpentry joint, joining two beech-wood blocks: stamped with ‘30’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Dovetail carpentry joint

1868

Model, of Mortice and Tenon Scarf carpentry joint, joining two beech-wood blocks: stamped with ‘12’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Mortice and Tenon Scarf carpentry joint

1868

Model, of Tenoned Scarf carpentry joint, with oblique shoulders carpentry joint, with two round pegs fitted, joining two beech-wood blocks: stamped with ‘13’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Tenoned Scarf carpentry joint

1868

Model, showing Scribing marking, preparation for Oblique carpentry joint, on single beech-wood block: stamped with ‘2’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, showing Scribing marking

1868

Model, of Dovetail-Halving ‘Tail’ carpentry joint, on single beech-wood block: stamped with ‘38’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit with (1868-31/49) Model, of Dovetail-Halving carpentry joint ‘Socket’, on single beech-wood block: stamped with ‘38’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Dovetail-Halving ‘Tail’ carpentry joint

1868

Model, of Stopped Housing ‘Pin’ carpentry joint, with bevelled leading edge, on single beech-wood block: stamped with ‘46’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit with (1868-31/18) Model, of Stopped Housing ‘Pin’ carpentry joint, with bevelled leading edge, on single beech-wood block: stamped with ‘46’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Stopped Housing ‘Pin’ carpentry joint

1868

Model, of Secret Oblique Shouldered Mortice and Tenon carpentry joint, joining two beech-wood blocks: stamped with ‘44’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Secret Oblique Shouldered Mortice and Tenon carpentry joint

1868

Model, of Oblique Double-Notched Secret Mortice and Tenon carpentry joint, with hole for round peg (not present), joining two beech-wood blocks: stamped with ‘63’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Oblique Double-Notched Secret Mortice and Tenon carpentry joint

1868

Model, of Triple-Notched Secret Mortice and Tenon carpentry joint, with two round pegs fitted, joining two beech-wood blocks: stamped with ‘64’ and over-laid in ink, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Triple-Notched Secret Mortice and Tenon carpentry joint

1868

Model, of Half-Lap carpentry joint, with a central round peg fitted, joining two beech-wood blocks: stamped with ‘25’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Half-Lap carpentry joint

1868

Model, of Tabled Scarf carpentry joint with centre wedge fitted, joining two radiused beech-wood blocks: written in ink with ‘69’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Tabled Scarf carpentry joint with centre wedge fitted

1868

Model, of Under-Squinted Lap Scarf carpentry joint, with two round-peg holes, but only one peg fitted, joining two beech-wood blocks: stamped with ‘4’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Under-Squinted Lap Scarf carpentry joint

1868

Model, of Stopped Housing carpentry joint, with Oblique leading edge, joining two beech-wood blocks: stamped with ‘47’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Stopped Housing carpentry joint

1868

Model, of Secret Mortice and Tenon carpentry joint, with a round peg fitted, joining two beech-wood blocks: both stamped with ‘40’; ‘49’; ‘60’; and ‘65’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Secret Mortice and Tenon carpentry joint

1868

Model, of Dovetail Cross-Lap ‘Tail’ carpentry joint, with only one shouldered side, on single beech-wood block: stamped with ‘36’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit (1868-31/40) Model, of Dovetail Cross-Lap ‘Socket’ carpentry joint, with only one shouldered side, on single beech-wood block: stamped with ‘36’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Dovetail Cross-Lap ‘Tail’ carpentry joint

1868

Model, of Double-Bridle carpentry joint, with a central round peg fitted, joining two beech-wood blocks: stamped with ‘27’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Double-Bridle carpentry joint

1868

Model, of Mitre carpentry joint, with pencil marks for Dovetail Housing carpentry joint, on single beech-wood block: stamped with ‘24’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit with (1868-31/30) Model, of Mitre carpentry joint, with pencil marks for Dovetail Housing carpentry joint, on single beech-wood block: stamped with ‘24’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Mitre carpentry joint

1868

Model, of Bevel-Lap carpentry joint, with a central round peg fitted, joining two beech-wood blocks: stamped with ‘28’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Bevel-Lap carpentry joint

1868

Model, of Mitre carpentry joint, with pencil marks for Dovetail Housing carpentry joint, on single beech-wood block: stamped with ‘24’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit with (1868-31/17) Model, of Mitre carpentry joint, with pencil marks for Dovetail Housing carpentry joint, on single beech-wood block: stamped with ‘24’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Mitre carpentry joint

1868

Model, of Crossed Tenon carpentry joint, on single beech-wood block: stamped with ‘35’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit (1868-31/19) Model, of Crossed Tenon carpentry joint, on single beech-wood block: stamped with ‘35’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Crossed Tenon carpentry joint

1868

Model, of Dovetail and Tabled Scarf carpentry joint, joining two beech-wood blocks: stamped with ‘14’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Dovetail and Tabled Scarf carpentry joint

1868

Model, of Under-Squinted and Tabled Scarf carpentry joint, with centre wedge fitted, joining two beech-wood blocks: stamped with ‘19’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Under-Squinted and Tabled Scarf carpentry joint

1868

Model, of Oblique Secret Mortice and Tenon carpentry joint, with round peg fitted, joining two beech-wood blocks: stamped with ‘51’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Oblique Secret Mortice and Tenon carpentry joint

1868

Model, of Wedged Through Mortice and Tenon carpentry joint, with mortice aperture cut and open for Wedge (not present), joining two beech-wood blocks: stamped with ‘54’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit (1868-31/22) Model, of beech-wood Wedge, with rounded ends, for Wedged Through Mortice and Tenon carpentry joint, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Wedged Through Mortice and Tenon carpentry joint

1868

Model, of Tenoned (‘off-set piston-shaped’) and Tabled Scarf carpentry joint, joining two beech-wood blocks: stamped with ‘15’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Tenoned (‘off-set piston-shaped’) and Tabled Scarf carpentry joint

1868

Model, of Oblique Secret Mortice and Tenon carpentry joint and round peg fitted, joining two beech-wood blocks, one of which has an Oblique Halving at one end: stamped with ‘62’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Oblique Secret Mortice and Tenon carpentry joint and round peg fitted

1868

Model, of Tenoned (‘piston-shaped’) and Tabled Scarf carpentry joint, joining two beech-wood blocks: stamped with ‘16’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Tenoned (‘piston-shaped’) and Tabled Scarf carpentry joint

1868

Model, of Step-Lap carpentry joint, joining two beech-wood blocks: stamped with ‘34’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Step-Lap carpentry joint

1868

Model, of Corner Half-Lap, with Secret Dovetail carpentry joint, on single beech-wood block: stamped with ‘29’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit (1868-31/66) Model, of Corner Half-Lap, with Secret Dovetail carpentry joint, on single beech-wood block: stamped with ‘29’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Corner Half-Lap

1868

Model, of Secret Half-Lap ‘Pin’ carpentry joint, on single beech-wood block: stamped with ‘48’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit (1868-31/46) Model, of Secret Half-Lap carpentry joint ‘Socket’, on single beech-wood block: stamped with ‘48’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868.

Model, of Secret Half-Lap ‘Pin’ carpentry joint

1868

Model, of Half-Lap Scarf carpentry joint, with round peg fitted, joining two beech-wood blocks: stamped with ‘3’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Half-Lap Scarf carpentry joint

1868

Model, of Secret Mortice and Tenon carpentry joint, combined with a Secret Bridle carpentry joint: joining three beech-wood blocks: two of which are over-laid in ink with ‘61’ and one is stamped ‘71’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868

Model, of Secret Mortice and Tenon, combined with a Secret Bridle carpentry joint

1868

Model, of Housing ‘Pin’ (channel filler) carpentry joint, on single beech-wood block: stamped with ‘41’ on reverse, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868. This was constructed to fit (1868-31/21) Model, of Stopped Housing ‘Socket’ (channel) carpentry joint, on single beech-wood block: stamped with ‘41’, by Polytechnisches Arbeits-Institut J. Schröder Atkiens-Gesselleschaft, Darmstadt, Hesse, Germany, 1868’.

Model, of Stopped Housing ‘Pin’ (channel filler) carpentry joint

1868