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38. (Cutting and Polishing Transparencies) 


ڵ ǥ ۾Ѵ. Ʒ ϴ ſ ̰ ӹ . پ ڵ, ׸ ǥ ִ.

(lap)

ܵ (transparent) Ǵ (translucent) ޺ Ǵ ΰ(artificial light) ̿Ͽ ϰ õ ִ. 

õǰ , ⿡ Ҽ ϰ Ѵ. (agate) (slab) ̷ ȿ ̰ ִ.  ܵ ͵ ǥ Ͽ ʿ . ̰ ַ ü ¿ ̴. Ϻ ǥ 1/4ġ(0.635 cm) β ϸ ٸ ͵ ϰų N(lap)Ͽ Ѵ.

۾ Ϲ ̷ ڰ Ʈ ο ڰ Ʒ  δ.

̰ ұĢ ǥ Ƹٿ ߸ ʰ ä 𼭸 Ÿ ִ. (section) β ϴ Ϲ ̾յ ܱ ȴ. β ̰ų ܱ ؼ ִ ڱ ϴ Ǵ ȴ. ǥ ̿ ǹǷ, ʼ ʴ. Ǵ üμ, ǥ ̼ϰ Dake ٴϽ(varnish) () ִ.  Ʒ Ǵ ̿ Ǵ Ƿ, ٴϽ ؾ߸ ǥ鿡 ̴. Դٰ, ʿ  û Ѵ; ٴϽ ̷ ٿ ̴. 



۰ ϴ Ϲ ϳ Ǵ ڿ ϴ ̴. ε ⿡ پ ũ ڵ Ȱ ִ. ǥ ũ Ǵ ´. ׸ , ǥ ǥø ϰ, ׿ ߾ ۵ ߶󳽴. ׸ , ǥ ڷ ű. Ǵ ǥ 2 ̿ Ѵ. ǥ ؼ ϹǷ, װ͵ . ڴ â ɰų  Ͽ ɾ ִ. ̷ ũ ڵ ź å ǰ ȴ.



(source of light) Ǵ  (boxed-in) ϰ, ִ. ǵ ȿ Ȱ ִ. Ϲ ̷ ǵ ݼ, ޴밡, µ, 鿡 ȴ. 鿡 ִ ִ (paint) ܾ ִ. ġ Ͱ  ̱ Ͽ ũ (section) ߶󳽴. Ƹ  ŷ° ɼ Ѵ. 12x24 ġ(30.48x60.96 cm) ũ ̷ ڴ äο 迭 ұĢ ǥ ä ִ. ǥ  1 ġ(25.4 mm) ο ܵ ִµ; ƴ ޿⸦ ʹ ϸ ȿ ʴ. ̷ ڴ 㿡 âμ ִ; ¦̴ Ǹ .

ϴ ִ. ε巯 (diffused light) ڿ Ư д. ֱ Ͽ ʿ µ, ǥ ݵ鿡 ٷ д.

Ϻ ݵ (lever) Ǿ ־ ſ յڷ ִ. ݿ Ǹ , ̴ δ Ʒ ȴ.



California, San Francisco William B. Pitts ɼ Ͽ. ݱͼ(semi-precious gem material) ֵ 迭 ִ. ǥ鵵 ȯ ̵(slide) ٿ 縷 ĥ ִ. 

(chiastolite) 鿡 Ұϴ. Pitts Ḧ Ͽ Ͽ.

鿡 ̴ ȭ ̵ ź(carbon) (inclusion)鿡 ϸ, .  ڴ  Ͽ ΰ 縷 ϰų Ǵ ڸ ̿Ͽ ִ. ϻ Ǵ (polarized light) Ʒ 縷 پ ϴ ̵(polaroid) ִ. Ϻ ϸ Ƹٿ (interference color) Ÿ.

ϱ

(slab) ڱ ȿ Ͽ κǰ ִ.

켱 ̾յ ܱ (face) 1 mm Ǵ ̻ β Ѵ. ׸ , (section) ٵ Ǵ ݿ Ѵ. β (opacity) ¿ ̴. 1 3 mm ̴. ׸ , No.500 Ǵ No.600 Ǹ ī̵ ڷ ö ݿ (lapping)Ͽ ǥ Ų . ࿡ , (plate-glass) (slab) ȥչ ̿Ͽ ۾ ִ. , β ۾ ʴ.



׸ , (Ǵ ٸ ) ũ ϻ â Ѵ. ϻ ٴϽ , ijʴ (Canada balsam) ξ ȿ̶ ˰ ̴. ijʴ ü , ̰˻縦 ϼ Ǵ ϴ ϴ Ͱ . Ʒ ijʴ ﾿ . ׸ , Ű Ͽ ǥ ְ (slab) ´. ϰ Ű ؼ µ ʿϴ. (hotplate) Ǵ (oven)̸ ̴. Ǵ Ʒ θ ð ̳ ̴. ϰ ǥ ̲ ִ; ࿡ ׷ٸ, ߰ ʼ̴.

(backing)

࿡ ǥ Ϻΰ ʹ β ̸ ǥ ߰ ִ. (slab) ü ִ. ؼ 𼭸 ջ ̴.  β ǥ Ѵ.

 Ǵ ̿ ־ Ѵ. William Pitts ģ ÷ƽ(plastic) ÷ƽ ڵ(Handeewood) ϶ Ѵ. ǥ ġ ǿ ÷ . ǥ   Ƣ Į . Handeewood 2 ð ɸ 𼭸 Į ߶󳽴.

ǥ ü ϻ Ǵ Dake ٴϽ(vanish) ĥ ִ. ǥ ȣϱ Ͽ, ü ijʴ £ ٽ ´.

California, Santa Barbara ˷ W. Nelson Whittemore кν(wax)  Ͽ κ ִٴ ǿ Ͽ ϶ 䱸Ѵ. Դٰ, кν ̷ ϱ⿡ ټ δ.

Whittemore ü Ÿ(tar) (rosin) ȥչ кν 빰 ϱ⸦ Ѵ. Ÿ ؼ ȥյǾ Ǵ кν ִ. Ÿ ȥչ кν ξ θ ʴ´. Ÿ ȥչ Ư ǿ ִ; , ȥչ Ǹ .

ݼ Ʋ 鿡 ؼ Ƿ ȥչ ʼε, ׷ , ִ. ׵ ڹ鿡 θ ǰ ִ. Michigan, Bloomfield Hills ִ Cranbrook пҴ ִ ټ Ʋ ֱٿ ġߴ.

äο ¸(moss agate), ԰ۼ(chrysocolla) ȫ(carnelian)  ƫ(tulip).  Ǿ (, Oregon, Portland W.A. Burt )

ȭ ɵ ׸ Ͽ ׸   (agate). Ĺ(rear illumination) Կ. 4x6 ġ. Oregon, Portland W.A. Burt .

- Burt

Oregon, Portland W.A. Burt پ ü · ϰ ϴ Ͽ Ͽ.

μ ϱ Ͽ ܵ ġϸ鼭, ڴ Ƹ ɼ ʾҰڴ° ϴ . ÷ε ׸ ٿ , ټ Ư · ġǴ ɼ ϰ Ƿ ɷ ϰ ̴.

׸ ٿ ε ϴ ƴϴ. ټҰ , ǿ γ ִ Ϻ Ƿ ϱ ʴ ǰ ̴.

Ǵ ¸ غ , ڴ β . ׸ , ܵ ӳ(aluminium) ʷ ܵ ῡ ׷ȴ. ׸ , ܰ Ͽ Ͽ.

ǰ , Handee Ǹ ī̵ ٵ ϴٴ ˰ ̴. ׷,  Ư ̵, ⿡ Ÿ ִ ٿ µ ִ.

پ Ȱ ̴. ȭӰ ؼ Բ ȭ ̷ Ѵ.  ׿ (chiastolite) Ǹ . 

(agate) . ̰ ︮ Ȱϴ Ϲ ̴. ̰͵ Oregon, Portland W.A. Burt ؼ ܵǰ Ǿ.

ǥ ܵǾ β ϰ ϴ ¿ ̴. ִ ܵǾ Ѵ. ܵ Ϲ β 2 6 mm ̴. Ǵ ׵ ڿ ϻ ֵ ũ⸦ Ѵ. ڴ ũⰡ 8x10 ġ ׵ ȣѴ.

ϳ ܿ ϴ ε, ijʴ ؼ ǰ ڿ ijʴ xyol (, Dake ٴϽ ) ĥ. ׷, ܵ ǥ鿡 ִ ڱ ϸ ǰ ϰ ̴. غμ ̼ ϸ Ϲ ̴.

ijʴ ϰ 쿡 200 °F (93 °C) 5 а  ڿ . ׸ , ǥ   ׿ Ѵ. ڴ ϻ кν ä ȣѴ.

׵ ʿ信 ǥ ũ ִ Woolworth ̴. ڿ ⿡ õ ͵ 30 ̻ ׵ 幰 ϰ ִ. ׵ ϳ (daisy) 50 ̻ 20 ð̻ ʿϴ.

⿡ Ÿ ǰ ʾƼ ִ. ̷ ٸ δ ִ (slab) ϰ Ȱ ִ. Ȱ ִ.

38. (Cutting and Polishing Transparencies) 

  ڷ >>>  >>> 16. (The Art of Gem Cutting) -

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