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Numerical order CD list (600-799)

Note:  Click on each insulator for larger pictures and more information!

CD 100-333 CD 334-377 CD 378-399 CD 400-499 CD 500-549 CD 550-599 CD 600-799 CD 1000-1199 CD unknown (tbd)
Note CDs 600-639 are top groove styles a flared skirt and one or two inner skirts
CD 600 CD 601 CD 601.2 CD 601.2 CD 601.2 CD 602 CD 602 CD 603 CD 603.1 CD 604 CD 605
CD 606 CD 607 CD 607.5 CD 607.7 CD 607.9 CD 608 CD 609 CD 610 CD 610 CD 610.2
CD 611 CD 613 CD 616 CD 618 CD 619 CD 620 CD 621
CD 624 CD 625 CD 625.5 CD 625.7 CD 626 CD 626 CD 626
CD 626.3A CD 626.3B CD 626.4 CD 626.5 CD 627 CD 628 CD 636
CD 637 CD 637.3 CD 637.5 CD 637.7 CD 637.8 CD 637.9
CD 638 CD 638 CD 638.5 CD 638.7
CD 639 CD 639.3 CD 639.5
Note CDs 640-649 are side groove with support arms (one or two petticoats)
CD 640 CD 640 CD 641 CD 641.2 CD 642 CD 643 CD 644 CD 644.5 CD 645 CD 648
Note CDs 649.X are metal encased glass pintype insulators
CD 649 CD 649.3 CD 649.5
Note CDs 650-659 are cut-out or fuse holder styles
CD 650 CD 653 CD 653.1 CD 653.5 CD 654 CD 654.1 CD 655 CD 655.3 CD 655.5
CD 655.6 CD 656 CD 656 CD 656.5 CD 656.8 CD 657 CD 658 CD 658.5 CD 659
Note CDs 650-659 one or two arm styles
CD 665 CD 665.2 CD 666 CD 666 CD 666.2 CD 667 CD 668
CD 669 CD 669 CD 669.3 CD 669.3 CD 669.5 CD 669.6 CD 669.8
CD 670 CD 670.1 CD 671 CD 671 CD 674 CD 674.2
CD 675 CD 675.2 CD 676 CD 676.5 CD 677 CD 677
CD 677.3A CD 677.3B CD 677.5 CD 677.6 CD 677.7 CD 678 CD 678.1 CD 678.5
CD 679 CD 679.9 CD 680 CD 681 CD 681.2 CD 682 CD 683 CD 685
Note CDs 684-699 are unusual specialty styles
CD 686 CD 686.2 CD 686.4 CD 687 CD 687.1 CD 688 CD 688.1
CD 688.5 CD 689 CD 690 CD 692 CD 695 CD 698 CD 699
Note CDs 700-799 are early threadless styles, typically dating before 1870
CD 782 CD 783 CD 789
CD 100-333 CD 334-377 CD 378-399 CD 400-499 CD 500-549 CD 550-599 CD 600-799 CD 1000-1199 CD unknown (tbd)

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